A battle can be subtle.Logical formLearned from32 sentences. A study can be subtle.Logical formLearned from32 sentences. A communication can be subtle.Logical formLearned from32 sentences. A shine can be subtle.Logical formLearned from32 sentences. A smirk can be subtle.Logical formLearned from32 sentences. A reason can be subtle.Logical formLearned from32 sentences. An evolution can be subtle.Logical formLearned from32 sentences. An appearance can be subtle.Logical formLearned from32 sentences. Signatures can be subtle.Logical formLearned from32 sentences. A sarcasm can be subtle.Logical formLearned from32 sentences. A protest can be subtle.Logical formLearned from32 sentences. A coloration can be subtle.Logical formLearned from32 sentences. An impact can be subtle.Logical formLearned from32 sentences. Refinements can be subtle.Logical formLearned from31 sentences. A symbolism can be subtle.Logical formLearned from31 sentences.