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: a soccer player is diving for the ball. Sentence 2: An athlete dives for the soccer ball.

SOLUTION: The athlete is playing baseball.

PROBLEM: Sentence 1: Two men skateboarding in the forest. Sentence 2: Two men are outdoors.

SOLUTION: Two girls are in a treehouse.

PROBLEM: Sentence 1: A woman with short gray hair in a white blouse leans over a gravestone. Sentence 2: A female is over a gravestone.

SOLUTION:
The woman is drinking scotch at the bar.