Problem: Do "the con artist" and "he" point to the same thing in the following sentence?

If the con artist has succeeded in fooling Sam , *he* would have gotten a lot of money.
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A: yes

Problem: Do "The cat" and "it" point to the same thing in the following sentence?

The cat was lying by the mouse hole waiting for the mouse , but *it* was too impatient.
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A: yes

Problem: Do "Sam" and "he" point to the same thing in the following sentence?

If the con artist has succeeded in fooling Sam , *he* would have lost a lot of money.
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A: yes

Problem: Do "the knife" and "it" point to the same thing in the following sentence?

I used an old rag to clean the knife , and then I put *it* in the drawer.
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A:
yes