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: Metallic bonds hold together positive metal ions and their valence electrons. Question: What types of bonds hold together positive metal ions and their valence electrons?

Output: metallic bonds

Input: Consider Input: Sentence: Proteins are long chains of amino acids. Question: What are long chains of amino acids?

Output: proteins

Input: Consider Input: Sentence: Leafy plants are the sporophytes in ferns. Question: What are the sporophytes in ferns?
Output: leafy plants