Definition: 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.
Input: Question: Do elevated intramuscular compartment pressures influence outcome after tibial fracture?
Answer: Provided Delta P remains satisfactory, patients with elevated intramuscular pressures after tibial fracture do not have a greater incidence of complications than those with low pressures. These patients can therefore be observed safely.
Output:
no