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: People are standing and sitting at round tables in a large room. Sentence 2: People gathered in a room.

SOLUTION: People boarding a bus.

PROBLEM: Sentence 1: A bearded man wearing a painter's cap is playing the xylophone on the side of a busy walkway. Sentence 2: New Orleans street performer

SOLUTION: A man is clean shaven.

PROBLEM: Sentence 1: A group of four people on three scooters stopped. Sentence 2: A group of people are using scooters.

SOLUTION:
A group of people are riding bicycles.