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: An elderly woman is reading a paper in an office. Sentence 2: An old lady is reading a paper.
An old guy is jumping rope.

Sentence 1: A person in a hat is playing with a boy on a beach. Sentence 2: An individual is running with a boy outside.
Someone is playing tag with a girl inside the house.

Sentence 1: A German short-haired pointer rests on a rug by a sunny window. Sentence 2: Dog relaxing in the sunlight.

Dog chasing a ball in the mud.