You tell me I can barely see it
The given clause, "whoever wins the contest a savings bond" is a subordinate or a dependent clause. This kind of clause does not convey a complete thought and needs the main sentence in order to make it understandable. This subordinate clause is connected to the main clause with the subordinating conjunction "whoever".
<span>The correct answer for the question that is being presented above is this one: "c. a logical and intelligent person who is impressed by Sherlock Holmes's powers of deduction." In "The Adventure of the Blue Carbuncle," Dr. Watson is describes as a logical and intelligent person who is impressed by Sherlock Holmes's powers of deduction</span>