The word "in" is used correctly, but the whole thing is not a grammatically complete sentence.
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GPYbut the whole thing is not a grammatically complete sentence.Even if it is meant to be an aim?
kunsusukiEven if it is meant to be an aim?It can't be a formally gramatically complete sentence whatever its purpose. However, that doesn't mean that it's necessarily wrong. For example, this would be correct: