A character can be subtle.Logical formLearned from46 sentences. Faults can be subtle.Logical formLearned from46 sentences. A piece can be subtle.Logical formLearned from45 sentences. Ideas can be subtle.Logical formLearned from45 sentences. A set can be subtle.Logical formLearned from45 sentences. A joke can be subtle.Logical formLearned from45 sentences. A part can be subtle.Logical formLearned from45 sentences. A side can be subtle.Logical formLearned from45 sentences. Layers can be subtle.Logical formLearned from44 sentences. An approach can be subtle.Logical formLearned from44 sentences. An undertone can be subtle.Logical formLearned from44 sentences. (Color variations) can be subtle.Logical formLearned from44 sentences. An appeal can be subtle.Logical formLearned from43 sentences. A poison can be subtle.Logical formLearned from43 sentences. Examples can be subtle.Logical formLearned from43 sentences.