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

Ex Input:
statement: metal, stainless steel and plastic are used to support towers., question: What type of steel is used to support towers?

Ex Output:
steel


Ex Input:
statement: Cryptic coloration is used for protection by fish against predators, question: What is used to protect fish against predators?

Ex Output:
Cryptic coloration


Ex Input:
statement: elephants have a placenta, question: What do elephants have?

Ex Output:

placenta