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: Does sunitinib mesylate inhibit proliferation of human colonic stromal fibroblasts in vitro and in vivo?
Answer: Sunitinib mesylate inhibited the proliferation of primary human colonic fibroblasts through target-inhibited PDGFR signaling in vitro and in vivo.
yes