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 person rappels off a cliff face. Sentence 2: Someone is climbing on a cliff.

SOLUTION: A hot air balloon crashes into the ground.

PROBLEM: Sentence 1: A skier splits his or her legs while flying throught the air over a ski hill. Sentence 2: A skier splits his or her legs while flying through the air.

SOLUTION: A skier is on the ground.

PROBLEM: Sentence 1: Girls playing in the water fountain hugging and kissing and taking their clothes off. Sentence 2: Girls are hugging and kissing and taking their clothes off in a water fountain.

SOLUTION:
Girls are getting dressed in the room.