TASK DEFINITION: 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.
PROBLEM: Sentence 1: A girl with red pants drives a scooter. Sentence 2: A girl is in motion.

SOLUTION: A girl is driving a BMW on the highway.

PROBLEM: Sentence 1: A man in a black shirt and gray hat gives the thumbs up to a crowd with one hand, while holding a microphone in the other. Sentence 2: a man gives a thumbs up

SOLUTION: a loan man on a horse

PROBLEM: Sentence 1: A seminar in an auditorium. Sentence 2:  A seminar in the auditorium.

SOLUTION:
A seminar on a beach in the water.