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: Consider Input: Question: Is l-arginine , the natural precursor of NO , effective for preventing bone loss in postmenopausal women?
Answer: We conclude from these results that supplementation with L-arginine hydrochloride is not effective for improving bone mass in humans.

Output: no


Input: Consider Input: Question: Does fructose Coingestion Accelerate Postexercise Muscle Glycogen Repletion?
Answer: Combined ingestion of glucose plus fructose does not further accelerate postexercise muscle glycogen repletion in trained cyclists when ample carbohydrate is ingested. Combined ingestion of glucose (polymers) plus fructose or sucrose reduces gastrointestinal complaints when ingesting large amounts of carbohydrate.

Output: no


Input: Consider Input: Question: Is exclusive breastfeeding duration during the first 6 months of life positively associated with length-for-age among infants 6-12 months old , in Mangochi district , Malawi?
Answer: EBF in the first 6 months of life was associated with increased linear growth, but not weight gain, in later infancy. Promotion of EBF could reduce the prevalence of chronic child undernutrition in the study area.


Output: yes