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: Girl in pink shirt fires at the target at a firing range. Sentence 2: The kid is practising a sport.

SOLUTION: The girls pitches a softball.

PROBLEM: Sentence 1: Two dogs play in the water under a bridge. Sentence 2: Two dogs are playing outside.

SOLUTION: Two dogs are eating out of their food bowls.

PROBLEM: Sentence 1: A group of kayakers are paddling on a calm river in an industrial area. Sentence 2: A group of kayakers paddle down part of a calm river.

SOLUTION:
A group of people put their kayak on top of their car.