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.

Example Input: Question: Are higher maternal serum concentrations of nicotinamide and related metabolites in late pregnancy associated with a lower risk of offspring atopic eczema at age 12 months?
Answer: This is the first study linking maternal serum concentrations of nicotinamide and related metabolites to the risk of atopic eczema in the offspring. The findings point to potentially modifiable maternal influences on this complex and highly prevalent condition.
Example Output: yes

Example Input: Question: Does mPGES-2 deletion remarkably enhance liver injury in streptozotocin-treated mice via induction of GLUT2?
Answer: mPGES-2 deletion enhanced STZ-induced liver toxicity possibly via GLUT2-mediated STZ uptake, independently of diabetes mellitus.
Example Output: yes

Example Input: Question: Is hyperglycemia in the acute phase of stroke caused by stress?
Answer: We conclude that hyperglycemia in the acute phase of stroke cannot be explained by increased stress.
Example Output:
no