Problem: OPTIONS:
- nitrogen
- warmth
- air
- water
Q: Answer the following question given this paragraph:   Water is needed by all known forms of life.   Q: What is needed by all known forms of life?   A:
Answer: water

Problem:OPTIONS:
- clear
- opqaue
- secreted
- pigmented

Answer the following question given this paragraph:      Q: Photoreceptors in each ocellus receive light only through the opening where there are none of which cells?   A:
****
A: pigmented

Answer the following question given this paragraph:   How many species actually exist in the world? No one knows for sure because only a small percentage of them have already been discovered. Estimates range from 5 to 30 million total species currently in existence. Many of them live on coral reefs and in tropical rainforests (see Figure below ). These two ecosystems have some of the greatest biodiversity on the planet.   Q: Coral reefs and tropical rainforests are ecosystems known for what, contributing greatly to the species in existence on earth?   A:
OPTIONS:
- commensalism
- mass migrations
- spontaneous mutation
- biodiversity
biodiversity

Answer the following question given this paragraph:   cytoskeleton. This is a network of fibers and tubules that crisscrosses the cytoplasm. The cytoskeleton helps the cell keep its shape.   Q: What part of the cell helps it keep its shape?   A:
OPTIONS:
- nucleus
- cytoplasm
- enzymes
- cytoskeleton

Answer: cytoskeleton

Question: Answer the following question given this paragraph:   The cardiovascular system is made up of the heart, the blood vessels, and the blood.   Q: The heart, blood vessels, and blood make up which system in the body?   A:
OPTIONS:
- digestive
- pulminary
- respiratory
- cardiovascular
Answer: cardiovascular

input: OPTIONS:
- by age
- by distance
- by size
- by color Now, answer this question: Answer the following question given this paragraph:   The most common way of classifying stars is by color as shown, in Table below . Each class of star is given a letter, a color, and a range of temperatures. The letters don’t match the color names because stars were first grouped as A through O. It wasn't until later that their order was corrected to go by increasing temperature. When you try to remember the order, you can use this phrase: “Oh Be A Fine Good Kid, Man. ”.   Q: What is the most common way to classify stars?   A:
A:
output:
by color