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

Input: Consider Input: statement: Mineral graphite and clay are a solution for a safe alternative to lead., question: Mineral graphite and clay are a safe alternative to what?

Output: lead


Input: Consider Input: statement: a wheeled vehicle requires less friction, question: What does a wheeled vehicle require?

Output: less friction


Input: Consider Input: statement: Goats develop a placenta during pregnancy, question: What do Goats develop during pregnancy?


Output: placenta