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.

Sentence 1: A guy is sitting by a tree watching a girl sing with a blue bucket in front of her. Sentence 2: 2 people are by a tree
two dogs are singing by a tree

Sentence 1: A man in a leather jacket is reading a book. Sentence 2: A man in a jacket is reading.
A man in a leather jacket is ridding a motorcycle.

Sentence 1: A dog is running through a field with its tongue hanging out. Sentence 2: An animal is outdoors.

The dog is taking a nap on a bed.