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.

Input: Consider Input: Sentence: In some ways, a collection of gas molecules represents the simplest form of matter. Question: In some ways, a collection of gas molecules represents the simplest form of what?

Output: matter


Input: Consider Input: Sentence: The endocrine system produces hormones to regulate growth, development, and reproduction. Question: Which human organ system produces hormones to regulate growth, development, and reproduction?

Output: endocrine


Input: Consider Input: Sentence: Uniform intermolecular forces do crystals have relatively sharp and well-defined melting points. Question: Why do crystals have relatively sharp and well-defined melting points?


Output: uniform intermolecular forces


