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: Drought makes marginal lands unsuitable for farming. Question: What makes marginal lands unsuitable for farming?
Example Output: drought

Example Input: Sentence: Breathing control is only effective if ventilation is matched to blood flow through alveolar capillaries. Question: What is only effective if ventilation is matched to blood flow through alveolar capillaries?
Example Output: breathing control

Example Input: Sentence: There are 46 chromosomes chromosomes in a diploid human cell. Question: How many chromosomes are in a diploid human cell?
Example Output:
46 chromosomes