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: Competive exclusion princple explains why two different species cannot occupy the same niche in the same place for very long. Question: What explains why two different species cannot occupy the same niche in the same place for very long?
Example Output: competive exclusion princple

Example Input: Sentence: Mammals have four limbs and produce amniotic eggs. Question: Mammals have four limbs and produce what kind of eggs?
Example Output: amniotic

Example Input: Sentence: The water cycle ends with it repeats itself. Question: How does the water cycle end?
Example Output:
it repeats itself