In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

[EX Q]: Sentence: At the poles are temperatures the lowest. Question: Where are temperatures the lowest?
[EX A]: at the poles

[EX Q]: Sentence: During phase change, the temperature of a system remains constant. Question: What happens to the temperature of a system during phase change?
[EX A]: remains constant

[EX Q]: Sentence: Hydrogen type of ions play critical roles in light-dependent reactions. Question: What type of ions play critical roles in light-dependent reactions?
[EX A]:
hydrogen