The conversation between human and AI assistant.
[|Human|] Generate a new sentence based on the given sentence, so that the output sentence conveys the same meaning as the input sentence, but with different words.
[|AI|] Stan is the owner of an aquatic animal as a companion.
[|Human|] 
Generate a new sentence based on the given sentence, so that the output sentence conveys the same meaning as the input sentence, but with different words.