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: Four people sitting behind a table. Sentence 2: four people are enjoying a day at the lake

SOLUTION: four people are at a table

PROBLEM: Sentence 1: Children play with a remote-control boat in a pond with a boat house. Sentence 2: Childern crash the boat.

SOLUTION: Childern are playing

PROBLEM: Sentence 1: Two firemen discuss their job. Sentence 2: Firemen are talking.

SOLUTION:
Two fire fighters talk about their work.