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

statement: individual nerve cells transmit nerve signals to other cells., question: What transmits nerve signals to other cells?
individual nerve cells

statement: For mammals, teeth are important for providing health benefits via absorbed nutrients, question: What is important for mammals to provide health benefits via absorbed nutrients?
teeth

statement: ocean temperatures can change conditions of the sky from day to day, question: What can change the conditions of the sky from day to day?
ocean temperatures