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 woman in a green shirt running a race. Sentence 2: A woman a shirt, that's green, is running a race.
There is a skydiver free falling on a sunny afternoon.

Sentence 1: The basketball player prepares to launch the ball to his teammate far down the court. Sentence 2: The player has the ball.
The man is playing soccer.

Sentence 1: A black dog jumping off a dock into water. Sentence 2: A black dog is jumping into the water.

A brown and white dog is jumping into the water on a Tuesday afternoon.