Metaphors can be subtle.Logical formLearned from3 sentences. Rivalries can be subtle.Logical formLearned from3 sentences. Flows can be subtle.Logical formLearned from3 sentences. Artifacts can be subtle.Logical formLearned from3 sentences. Diseases can be subtle.Logical formLearned from3 sentences. A lisp can be subtle.Logical formLearned from3 sentences. A dialectician can be subtle.Logical formLearned from3 sentences. A build-up can be subtle.Logical formLearned from3 sentences. A notion of a horizon can be subtle.Logical formLearned from3 sentences. A plan can be subtle.Logical formLearned from3 sentences. A physical can be subtle.Logical formLearned from3 sentences. Deflections can be subtle.Logical formLearned from3 sentences. A (piano work) can be subtle.Logical formLearned from3 sentences. Samples can be subtle.Logical formLearned from3 sentences. (Design cues) can be subtle.Logical formLearned from3 sentences.