Warnings can be subtle.Logical formLearned from35 sentences. Harmonies can be subtle.Logical formLearned from35 sentences. Motions can be subtle.Logical formLearned from35 sentences. Thoughts can be subtle.Logical formLearned from34 sentences. A plan can be subtle.Logical formLearned from34 sentences. (Shade gradations) can be subtle.Logical formLearned from34 sentences. Words can be subtle.Logical formLearned from34 sentences. Kinds can be subtle.Logical formLearned from34 sentences. Designs can be subtle.Logical formLearned from34 sentences. Images can be subtle.Logical formLearned from34 sentences. Observations can be subtle.Logical formLearned from34 sentences. A problem can be subtle.Logical formLearned from34 sentences. A (body language) can be subtle.Logical formLearned from34 sentences. Vibrations can be subtle.Logical formLearned from34 sentences. A world can be subtle.Logical formLearned from33 sentences.