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.

Ex Input:
Question: Is arthrogenic muscle inhibition present in the limb contralateral to a simulated knee joint effusion?
Answer: Knee joint effusion results in ipsilateral but not contralateral impairment of quadriceps function. Rehabilitation protocols after knee joint injury should focus on ipsilateral neuromuscular and mechanical alterations that occur as the result of joint damage.

Ex Output:
no


Ex Input:
Question: Does monocyte chemoattractant protein-1 or macrophage inflammatory protein-1alpha deficiency affect angiotensin II-induced intimal hyperplasia in carotid artery ligation model?
Answer: These results indicate that MCP-1 or MIP-1alpha may not be essential in mediating the proliferative effects of Ang II, a major pathological changes in intimal hyperplasia in the carotid artery ligation model.

Ex Output:
no


Ex Input:
Question: Do somatic mutations predict poor outcome in patients with myelodysplastic syndrome after hematopoietic stem-cell transplantation?
Answer: Mutations in TP53, TET2, or DNMT3A identify patients with MDS with shorter OS after HSCT.

Ex Output:

yes