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: Policemen in riot gear, along with two police on horseback are charging a crowd that are behind a barrier. Sentence 2: Policemen are dealing with a crowd outside.
answer:
Policemen in riot gear are raiding a house.


question:
Sentence 1: A seminar in an auditorium. Sentence 2:  A seminar in the auditorium.
answer:
A seminar on a beach in the water.


question:
Sentence 1: A man rides on a platform with wheels and is being pulled by a donkey. Sentence 2: A man has a donkey.
answer:

A man is riding a donkey.