The conversation between human and AI assistant.
[|Human|] Given a sentence and another sentence that has a similar meaning, identify the words in each sentence that are not synonyms.
[|AI|] Not synonyms:
- Sentence 1: want, go, for
- Sentence 2: desire, eat
[|Human|] 
Given a sentence and another sentence that has a similar meaning, identify the words in each sentence that are not synonyms.