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: A crowded marketplace is filled with people, including women with their heads covered with veils. Sentence 2: An islamist marketplace is busy.

SOLUTION: The market is very busy.

PROBLEM: Sentence 1: A skateboarded is doing a handstand on a board in the street. Sentence 2: A skateboarder is doing a handstand in front of an audience.

SOLUTION: A skateboarder is performing a trick in the street.

PROBLEM: Sentence 1: Three men sit on a step next to each other. Sentence 2: Tall people sitting.

SOLUTION:
Some people sitting