Steven W. answered 01/22/17
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Hi Ryan!
Since I have not taken a psychology class in almost 30 years, I an probably not the best person to answer this. But classical conditioning is the pairing of an "unconditioned stimulus" (a stimulus that naturally produces a reaction) with a "conditioned stimulus" (one that does not naturally bring about that reaction, but that can be conditioned to by a kind of association). Only one of these answers describes anything like conditioned response -- putting the feeling of one event with a separate stimulus that does not naturally cause it... and then also talks about distinguishing that conditioned stimulus from other similar objects.
If you want to talk more about this, including discussing what you think the answer is, just let me know. I am not an expert in psychology, but I can talk about what I think about this question based on my limited knowledge of classical conditioning.