instruction:
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.
question:
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.
answer:
A man is riding a polar bear.


question:
Sentence 1: A young boy in a white dress shirt is playing on a grassy plain. Sentence 2: A young person in a white dress shirt is playing on a grassy plain.
answer:
A young girl in a white dress shirt is playing on a grassy plain.


question:
Sentence 1: A kid in an orange sweater is standing on a bed. Sentence 2: A kid is in a bedroom.
answer:

A kid in a yellow sweater is on the bed.