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: Is histamine released in acute thermal injury in human skin in vivo : a microdialysis study?
Answer: Histamine is not released in human skin during the acute phase of a thermal injury.
Example Output: no

Example Input: Question: Does slower infusion of metoclopramide decrease the rate of akathisia?
Answer: Slower infusion of metoclopramide reduces the incidence of akathisia.
Example Output: yes

Example Input: Question: Does factor V Leiden have a role in cryptogenic ischemic stroke among Iranian young adults?
Answer: Based on our study, FVL might not be considered as an independent risk factor for ischemic stroke in Iranian individuals who are not suffering from other risk factors of ischemic stroke.
Example Output:
no