You will be given a definition of a task first, then some input of the task.
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.

Question: Do positive reactions to nickel on a patch test predict clinical outcome of nickel alloy-based atrial septal defect occluder implantation?
Answer: In this study, positive reactions to nickel in a patch test were not associated with adverse early or late outcomes following ASD closure with a nickel alloy-based device.
Output:
no