An alternative can be portable.Logical formLearned from51 sentences. A (cell phone) can be portable.Logical formLearned from51 sentences. A cd can be portable.Logical formLearned from51 sentences. Personal computers can be portable.Logical formLearned from51 sentences. A grill can be portable.Logical formLearned from51 sentences. A terminal can be portable.Logical formLearned from50 sentences. A (gas flow meter) can be portable.Logical formLearned from50 sentences. A chair can be portable.Logical formLearned from50 sentences. Displays can be portable.Logical formLearned from50 sentences. An apparatus can be portable.Logical formLearned from50 sentences. (Game consoles) can be portable.Logical formLearned from50 sentences. (Game machines) can be portable.Logical formLearned from49 sentences. An environment can be portable.Logical formLearned from49 sentences. A type can be portable.Logical formLearned from49 sentences. A portable computer can be with a slide.Logical formLearned from49 sentences.