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.

Example Input: Sentence: Tropic and sex two types of hormones regulate mammalian reproduction. Question: What two types of hormones regulate mammalian reproduction?
Example Output: tropic and sex

Example Input: Sentence: Building new homes in a wetland of these is most likely harmful to an ecosystem. Question: Which of these is most likely harmful to an ecosystem?
Example Output: Building new homes in a wetland

Example Input: Sentence: Dimensional analysis is used to carry out metric unit conversions. Question: What is used to carry out metric unit conversions?
Example Output:
dimensional analysis