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

statement: some pythons can go several weeks between meals., question: How long can some pythons go between meals?
several weeks

statement: when a frog is born it is 0.39 in long, question: When a frog is born, what is it in long?
0.39

statement: humans have a placenta during child carrying., question: What do humans have during child carrying?

placenta