Whistles can be plastic.Logical formLearned from17 sentences. (Identification cards) can be plastic.Logical formLearned from17 sentences. A plug can be plastic.Logical formLearned from16 sentences. A flag can be plastic.Logical formLearned from16 sentences. A rope can be plastic.Logical formLearned from16 sentences. A tree can be plastic.Logical formLearned from16 sentences. A key can be plastic.Logical formLearned from16 sentences. A scintillator can be plastic.Logical formLearned from16 sentences. A mouthpiece can be plastic.Logical formLearned from16 sentences. (Body parts) can be plastic.Logical formLearned from16 sentences. A feel can be plastic.Logical formLearned from16 sentences. An edge can be plastic.Logical formLearned from16 sentences. A manufacturing can be plastic.Logical formLearned from16 sentences. A (storage bin) can be plastic.Logical formLearned from16 sentences. A floor can be plastic.Logical formLearned from16 sentences.