Which of the following passages is utilizing humor.

“on tuesday morning at seven o’clock be on board.”

the honest sailor took advantage of the professor’s enthusiasm to double the fare.

The second answer choice given is the correct answer and is the one utilizing humor:

"The honest sailor took advantage of the Professor’s enthusiasm to double the fare."

The humor is implied from the term: "honest sailor"; who "took advantage" (of the Professor's enthusiasm) to "double the fare".

The "funny/humorous part" is the question of, is that really what an "honest person" would do?  The other part is that is funny is that the "honest sailor" could be determined to be "honest" in a joking, witty, or derisive manner.

The first passage does not contain any humorous elements. 

A, this way you know that there’s a less of a chance of it having biased information or edited by other people-making false information

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