The best and most correct answer among the choices provided by your question is the first choice.
The analogy is about the person and the instrument he/she mainly uses. Therefore, if carpenter is to hammer, then surgeon is to scalpel.
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In this analogy, we can see a comparison between a carpenter's tool and another profession's tool. Being the tool a scalpel, there's only one professional that makes good use of it as a carpenter can make good use of a hammer. carpenter:hammer::surgeon:scalpel