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: Does the phospholipase A ( 2 ) inhibitor methyl indoxam suppress diet-induced obesity and glucose intolerance in mice?
Answer: These results show that oral supplementation of a diabetogenic diet with the Pla2g1b inhibitor methyl indoxam effectively suppresses diet-induced obesity and diabetes in mice. This suggests that Pla2g1b inhibition may be a potentially effective oral therapeutic option for treatment of obesity and diabetes.

Ex Output:
yes


Ex Input:
Question: Do why social workers implement decisions to remove children at risk from home?
Answer: Further study is required to examine the generalizability of these findings to other countries, to understand better the reasons for the non-implementation, and to follow-up on the consequences of the non-implementation.

Ex Output:
no


Ex Input:
Question: Does digital rectal examination ( DRE ) influence total serum levels of prostate specific antigen ( tPSA ) , in individuals without prostate pathology?
Answer: DRE examination does not significantly influence the tPSA values in individuals under study.

Ex Output:

no