Cause can be subtle.Logical formLearned from2 sentences. A scent can be subtle.Logical formLearned from2 sentences. Recreations can be subtle.Logical formLearned from2 sentences. A screening can be subtle.Logical formLearned from2 sentences. Rotations can be subtle.Logical formLearned from2 sentences. (Body postures) can be subtle.Logical formLearned from2 sentences. A (security hole) can be subtle.Logical formLearned from2 sentences. A versification can be subtle.Logical formLearned from2 sentences. A comment can be subtle.Logical formLearned from2 sentences. A whole can be subtle.Logical formLearned from2 sentences. A suggestion can be subtle.Logical formLearned from2 sentences. A person may prefer subtle.Logical formLearned from2 sentences. Cognates can be subtle.Logical formLearned from2 sentences. (Sound piano keys) can be subtle.Logical formLearned from2 sentences. An entitlement can be subtle.Logical formLearned from2 sentences.