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: Does margaritaria discoidea ( Euphorbiaceae ) stem bark extract attenuate allergy and Freund 's adjuvant-induced arthritis in rodents?
Answer: Margaritaria discoidea suppresses allergy and exhibits anti-inflammatory activity in mice. In addition it attenuates Freund's adjuvant-induced arthritis through a reduction in serum levels of TNF and IL-6 in rats.
Output:
yes