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 black dog with a stuffed animal in its mouth is running and jumping through a snowy field. Sentence 2: There is a dog in a field
The dog has nothing in its mouth

Sentence 1: This woman is horseback riding on a sunny afternoon. Sentence 2: A woman ride a horse outside.
A woman eats a horse in the dark.

Sentence 1: Many cyclists are taking part in a racing competition. Sentence 2: There are cyclists outdoors.

All cyclists have completed the racing competition.