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

[EX Q]: statement: Liquid is essential for all life in the world., question: What is essential for all life in the world?
[EX A]: Liquid

[EX Q]: statement: A sifter is used for separating soil., question: What is used for separating soil?
[EX A]: A sifter

[EX Q]: statement: Being a snake requires catching prey., question: What type of snake requires catching prey?
[EX A]:
snake