Given a statement and question, generate the answer to the question such that the answer is contained in the statement.

Example Input: statement: bears are related to marine mammals., question: What are bears related to?
Example Output: marine mammals

Example Input: statement: an optical system is used for observing stars by researchers, question: What is used for observing stars by researchers?
Example Output: an optical system

Example Input: statement: Cows are therian mammals, question: What kind of mammals are cows?
Example Output:
therian mammals