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.

Sentence 1: A group of men bow their heads in front of tables of food. Sentence 2: A group of people give thanks before eating.
People preparing to eat a meal.

Sentence 1: A running golden retriever Sentence 2: A golden retriever is running away.
A dog running.

Sentence 1: the dog is jumping on to the couch Sentence 2: A pet is coming to sit.

The dog is on the couch.