Q: You need to read the given passage and construct a question about the information present in the passage. The question should be answerable from the passage. Most importantly, only those questions are allowed whose answers cannot be determined from a single sentence. Do not generate questions that require only a single sentence to answer. Instead, try to combine two sentences and create a question from that combination. Do not create open-ended questions, i.e., the answers to them cannot be found precisely from the information provided in the passage.
Paragraph- Sent 1: Plants also detect the daily cycle of light and darkness.
Sent 2: Do you know how plants respond to these changes?
Sent 3: Some plants open their leaves during the day.
Sent 4: It is during these hours the plant can collect sunlight.
Sent 5: At night, the plant closes its leaves to prevent water loss.
Sent 6: Many plants respond to the change in the length of the day.
Sent 7: As days grow shorter, some plants respond by going dormant.
Sent 8: Dormant is when a plant suspends its growth.
Sent 9: It does this in order to survive.
Sent 10: Shorter days signal the coming of winter.
Sent 11: Winter in most areas means extreme cold.
Sent 12: It is also very dry in the winter months.
Sent 13: As winter approaches, some plants respond by their leaves changing color.
Sent 14: After the change in color, they fall off.
Sent 15: This dormancy period helps trees.
Sent 16: It allows them to survive the cold and dry winter.
Sent 17: Plants only want to grow when conditions are right.
A:
Why do some plants go dormant in winter?