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 boy in an orange jacket climbes through a play tunnel Sentence 2: The boy is playing with his brother.
The boy is in an enclosed space.

Sentence 1: A guy with no shirt and no shoes, who is painting the floor. Sentence 2: A man is working.
A man is painting.

Sentence 1: a group of people and camels walking in the desert. Sentence 2: A group of people planning to sell camels.

A group of people and camels walking.