TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 with numbers on their chests are running in a pack. Sentence 2: Marathon runners end up grouped together after a collision between runners.

SOLUTION: People in a race are grouped together.

PROBLEM: Sentence 1: A woman tosses a bag of trash into a dumpster. Sentence 2: The hairdresser threw away all the freshly cut hair.

SOLUTION: People are moving forward on the track.

PROBLEM: Sentence 1: A man walking on the sidewalk past storefronts. Sentence 2: The man is window shopping for clothes.

SOLUTION:
The man is outdoors.