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 door in a tall concrete wall Sentence 2: A door in a wall of at stone building.

SOLUTION: A door in a wall.

PROBLEM: Sentence 1: The cheerleader in red and white is sitting on the knee of a man also wearing red and white. Sentence 2: A tall person in red

SOLUTION: A person in red

PROBLEM: Sentence 1: Several men in various positions and states of distress surround a kicking bull. Sentence 2: Cowboys try to subdue a bull after it gored a rodeo clown.

SOLUTION:
Men are near a bull.