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: Two surfers catch the same huge wave in the ocean. Sentence 2: Two people are surfing the same wave.
The people are on a boat.

Sentence 1: An African boy sips on his spoon in a green room. Sentence 2: A boy is eating from a spoon.
A boy is hitting his father with the spoon.

Sentence 1: A billboard of a woman, with three men, two in a lift, and one on top of the billboard. Sentence 2: There is a billboard of a woman.

The billboard has a cat on it.