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 family sits around at Christmas time, some playing Jenga while others play with children. Sentence 2: Some people are playing Jenga.
answer:
A family is shooting fireworks.


question:
Sentence 1: A man holding a bottle is standing over a grill. Sentence 2: The man is grilling outside.
answer:
The man is swimming.


question:
Sentence 1: A man wearing a white hard hat is in the middle of hammering a nail into a thick board. Sentence 2: A person is hammering into a board.
answer:

A man wearing a yellow hard hat is in the middle of hammering a nail into a tree branch.