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 motorbike rider travels along a long dirt road lined with green trees. Sentence 2: A motorcyclist travels down a forest road.

SOLUTION: The motorcycle is moving on a dirt path.

PROBLEM: Sentence 1: People behind a banner are holding flags and signs. Sentence 2: People are protesting.

SOLUTION: There are people gathered.

PROBLEM: Sentence 1: A happy girl swings on her porch. Sentence 2: The girl is swinging in a blue swing.

SOLUTION:
The girl is swinging on her swing.