Definition: The answer will be 'yes' if the provided sentence contains an explicit mention that answers the given question. Otherwise, the answer should be 'no'. Instances where the answer is implied from the sentence using "instinct" or "common sense" (as opposed to being written explicitly in the sentence) should be labeled as 'no'.
Input: Sentence: Pushkin gradually became committed to social reform and emerged as a spokesman for literary radicals. 
Question: Was Pushkin always a spokesman for literary radicals?

Yes.