An expression can be subtle.Logical formLearned from65 sentences. A transition can be subtle.Logical formLearned from65 sentences. A meaning can be subtle.Logical formLearned from65 sentences. Digs can be subtle.Logical formLearned from65 sentences. Symptoms can be subtle.Logical formLearned from64 sentences. A tone can be subtle.Logical formLearned from64 sentences. A sort can be subtle.Logical formLearned from63 sentences. A quality can be subtle.Logical formLearned from63 sentences. Evidence can be subtle.Logical formLearned from62 sentences. Deficits can be subtle.Logical formLearned from62 sentences. Flaws can be subtle.Logical formLearned from62 sentences. A control can be subtle.Logical formLearned from62 sentences. An aroma can be subtle.Logical formLearned from62 sentences. A feeling can be subtle.Logical formLearned from61 sentences. A fragrance can be subtle.Logical formLearned from61 sentences.