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 all aggressive lymphoma subtypes share similar outcome after front-line autotransplantation : a matched-control analysis by the Groupe d'Etude des Lymphomes de l'Adulte ( GELA )?
Answer: This cohort study confirms the high efficacy of front-line ASCT in responding aggressive B-NHL patients with adverse prognostic factors.
Output:
no