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 man on a brown horse is preparing to lasso a bull, while another man on a white horse corrals the bull. Sentence 2: The men are veteran ranch hands.
Two men are trying to round bulls up.

Sentence 1: Woman talking to friend while walking dog outside on a sunny day. Sentence 2: The friend is female.
There is a dog outside.

Sentence 1: The windows of the building are barred. Sentence 2: An abandoned building.

The windows have bars.