Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

[EX Q]: Paragraph- Sent 1: Heat supplies the energy that causes motion.
Sent 2: The deeper you go into toward the Earths core, the hotter it gets.
Sent 3: At the core it is really hot.
Sent 4: All that heat tries to rise toward the surface.
Sent 5: In the Mantle, the rock is partially melted and is able to move.
Sent 6: As it is heated, the material in the mantle moves toward the surface.
Sent 7: As the mantle material rises, it cools.
Sent 8: When it reaches the Earths crust, it is mostly stopped.
Sent 9: A little of the material can break through the surface, but not all.
Sent 10: Instead, it begins to move horizontally.
Sent 11: The mantle material moves horizontally away from a mid-ocean ridge crest.
Sent 12: Toward the surface, the mantle material starts to cool.
Sent 13: As it cools it sinks back down into the mantle.
Sent 14: These areas are where deep sea trench occur.
Sent 15: The material sinks back down to the core.
Sent 16: The system operates like a giant conveyor belt.
Sent 17: The motion due to heating and cooling is called convection. 
Question: Does rock move more at the surface of the earth or at its core?.
[EX A]: At its core because it has more heat.

[EX Q]: Paragraph- Sent 1: Tropical climates are found around the equator.
Sent 2: These climates have warm temperatures year round.
Sent 3: Tropical climates may be very wet or wet and dry.
Sent 4: Tropical wet climates occur at or very near the equator.
Sent 5: They have high rainfall year round.
Sent 6: Tropical rainforests grow in this type of climate.
Sent 7: Tropical wet and dry climates also occur near the equator.
Sent 8: They receive less rainfall.
Sent 9: Most of the rain falls in a single season.
Sent 10: The rest of the year is dry.
Sent 11: Few trees can withstand the long dry season.
Sent 12: The main plants are grasses.
Sent 13: Dry climates receive very little rainfall.
Sent 14: They also have high rates of evaporation.
Sent 15: This makes them even drier.
Sent 16: Deserts can get less than 25 centimeters of rain per year.
Sent 17: Thats less than 10 inches per year.
Sent 18: How much rain do you get at your house?. 
Question: What types of plants can survive the long dry season?.
[EX A]: Grasses.

[EX Q]: Paragraph- Sent 1: The Golden Heian Era: The geomancers in 794 decided that Heian-kyo (modern Kyoto) would be an auspicious site for the imperial family.
Sent 2: It was indeed — until 1869.
Sent 3: Grants of tax-free land over the years had been made to Buddhist temples and members of the court aristocracy.
Sent 4: The most powerful families thus carved out for themselves whole regions that were to become the fiefdoms of Japanese feudalism.
Sent 5: By the end of the eighth century the clans had created a hierarchy of shiki, or rights, from the highest to the lowest ranks of society.
Sent 6: The aristocrat or court patron lent his prestige to a powerful provincial proprietor, who employed a competent estate-manager to oversee smallholders, who in turn worked their farms with dependent laborers.
Sent 7: This elaborate structure of interdependent rights and obligations was to serve Japanese society right into the 20th century.
Sent 8: Meanwhile, Heian court life blossomed in an effusion of aesthetic expression.
Sent 9: Princes and princesses judged the merits of birds, insects, flowers, roots, or seashells.
Sent 10: Literary party games held in ornate palace gardens required each guest to compose a small poem as his wine cup floated toward him along a miniature winding channel of water.
Sent 11: Expeditions were organized to the best viewing points for the first spring cherry blossoms, and special pavilions were built to watch the rising of the full moon.
Sent 12: Every gesture, from the most banal opening of an umbrella to the sublimest act of lovemaking, had its appropriate ceremonial.
Sent 13: Conversation often took the form of elegant exchanges of improvised verse.
Sent 14: The changing role of Chinese culture in Japanese life was epitomized in the language itself.
Sent 15: In the absence of an indigenous alphabet, Japanese scholars had with the greatest difficulty tried to adapt the complex ideograms of monosyllabic Chinese to the essentially polysyllabic Japanese.
Sent 16: Thus developed the katakana system used as a vehicle for writing Buddhist names and concepts.
Sent 17: After rival Fujiwara factions had been struggling for years to gain control of the imperial throne, they turned to the Taira and Minamoto armies in 1156 to wage the four-year war that heralded the end of the golden age of the Heian court.
Sent 18: The Taira, controlling the region along the Inland Sea, defeated the Minamoto armies based in the Kanto province east of the capital. 
Question: What was the Japanese word for the elaborate structure of interdependent rights and obligations that served Japanese society into the 20th century?.
[EX A]:
Shiki.

