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: Two adults and a little boy sit on a homey exterior porch in front of an exotic flora and fauna nature scene. Sentence 2: People are sitting.

SOLUTION: A boy is watching television on a couch.

PROBLEM: Sentence 1: A girl hanging upside down on a rope over a grassy lawn above a city. Sentence 2: The girl is hanging upside down.

SOLUTION: The girl is standing by the rope.

PROBLEM: Sentence 1: Two men are speaking too a woman outside, there are trees around them and a building in the background. Sentence 2: Two men and a lady outdoors.

SOLUTION:
Two men are speaking too a woman inside, there are trees around them and a building in the background.