Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

Question: Is acid Sphingomyelinase ( ASM ) a Negative Regulator of Regulatory T Cell ( Treg ) Development?
Answer: ASM is a negative regulator of natural and iTreg.
yes