A(n) ____________________ is someone who specializes in or is skilled at logic.
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A(n) ____________________ is someone whose job is to entertain people by performing magic tricks.
A(n) ____________________ is a person who studies and understands mathematics.
A(n) ____________________ is a person who conducts or writes for a public journal.
A(n) ____________________ is a person involved in the ownership or management of an industry.