In the case of the dogs pavlov observed, the was the unconditioned response and the was the conditioned response.

While studying the role of saliva in digestion of dogs Pavlov accidentally discovered Classical Conditioning, which denotes a learning procedure in which a biologically potent stimulus (e.g. food) is paired with a previously neutral stimulus (e.g. a bell).
In the case of the dogs Pavlov observed, the salivation was the unconditioned response and the salivation was the conditioned response.

It’s obvious the asnwer is false