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 man wearing a black jacket stands, holding an open book in front of a chalkboard and globe. Sentence 2: A tall man.

SOLUTION: The street vendor was selling bananas.

PROBLEM: Sentence 1: A baseball player, a woman with Frisbees, and a dog in front of blue bleachers. Sentence 2: The baseball player and the woman are a couple.

SOLUTION: The woman has Frisbees.

PROBLEM: Sentence 1: A woman is crossing a rope bridge in the trees with other people waiting at one end. Sentence 2: A woman crosses a bridge slowly.

SOLUTION:
A woman crosses a bridge.