A piano can be portable.Logical formLearned from18 sentences. (Tape players) can be portable.Logical formLearned from18 sentences. Options can be portable.Logical formLearned from18 sentences. Coolers can be portable.Logical formLearned from18 sentences. A (video camera) can be portable.Logical formLearned from18 sentences. Files can be portable.Logical formLearned from18 sentences. (Disc players) can be portable.Logical formLearned from18 sentences. A performance can be portable.Logical formLearned from18 sentences. A mode can be portable.Logical formLearned from18 sentences. Handsets can be portable.Logical formLearned from18 sentences. A hard drive can be portable.Logical formLearned from18 sentences. Wires can be from portable telephones.Logical formLearned from18 sentences. A (programming language) can be portable.Logical formLearned from18 sentences. An (attachment device) can be portable.Logical formLearned from18 sentences. A digital audio can be portable.Logical formLearned from18 sentences.