In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.

Sentence 1: A man is rowing a canoe with several people on board. Sentence 2: A boat full of people is propelled by a man.
A man captains a motorboat alone.

Sentence 1: A woman sits under a picture of Jesus with the light streaming through the window. Sentence 2: There may be a female under a picture of Jesus.
The picture is of a dog, with a woman next to it.

Sentence 1: A beaver on the shore of a stream. Sentence 2: A beaver is on the bank of a stream.

Turtles are sunning themselves on a log.