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 crosscountry biker with helmet and sports gears (green and black) is jumping in the air with his bike that has dirty tires. Sentence 2: A biker performs a stunt.
answer:
Two people talk in private.


question:
Sentence 1: A young man holding a beer bottle and a cigarette splashes fluid on charcoal in a grill. Sentence 2: The man is about to grill.
answer:
The man is old


question:
Sentence 1: The man is welding the iron. Sentence 2: Someone is welding in the picture.
answer:

The only thing you can see in the picture is a baby cow eating grass.