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

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

statement: Complex chemistry is needed to promote quality of life, question: What is needed to promote quality of life?
Complex chemistry

statement: Most animalsconcentrate on feeding and growth after hatching, question: What do most animals concentrate on after hatching?
feeding and growth