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: Do infant and young child feeding practices differ by ethnicity of Vietnamese mothers?
Answer: Breastfeeding practices were suboptimal and differed by ethnicity, which suggests need for tailored interventions at multiple levels to address ethnic-specific challenges and norms. Complementary feeding practices were less optimal among ethnic minorities compared to Kinh, which suggests need for broad intervention including improved food availability, accessibility, and security.

Output: yes


Input: Consider Input: Question: Is quantitative UPLC-MS/MS analysis of underivatised amino acids in body fluids a reliable tool for the diagnosis and follow-up of patients with inborn errors of metabolism?
Answer: UPLC-MS/MS analysis of amino acids in body fluids is rapid, reliable and suitable for the diagnosis and follow-up patients with IEM.


Output: yes