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.

Ex Input:
Sentence 1: A man in a striped red shirt leans in his truck's passenger seat and plays with a jacket sleeve. Sentence 2: The man is in a truck.

Ex Output:
A man is driving a truck


Ex Input:
Sentence 1: A man riding a brown horse poses in front of a mountain scene. Sentence 2: A man is on a horse in front of some mountains.

Ex Output:
A man is riding a polar bear.


Ex Input:
Sentence 1: A man in a blue shirt sitting. Sentence 2: The man is on his hind end.

Ex Output:

The man is throwing a ball.