TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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.
PROBLEM: Sentence 1: A man doing a trick on a bicycle in a wooded area. Sentence 2: The man is a father

SOLUTION: A man does a trick

PROBLEM: Sentence 1: Two soccer players, one from a team wearing red and the other wearing white, are both going for the soccer ball, while people on the bleachers watch. Sentence 2: The ball is about to go out of bounds.

SOLUTION: Two players from opposing soccer teams head for the soccer ball while the audience looks on.

PROBLEM: Sentence 1: A group of people standing on rocks in a stream of water. Sentence 2: The people are crossing the stream

SOLUTION:
There are rocks in the water and people are stopped on them.