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.

[EX Q]: Sentence 1: A white dog is chasing after a small dog at the beach Sentence 2: There are animals at the beach.
[EX A]: A white cat is chasing after a small dog.

[EX Q]: Sentence 1: Two women sit on blocks underneath an umbrella. Sentence 2: There is more than one woman shown here.
[EX A]: People running on a beach.

[EX Q]: Sentence 1: An elderly man is using his cellphone. Sentence 2: An old man is using his mobile phone.
[EX A]:
An old man is swimming.