Persons may think about portable devices.Logical formLearned from33 sentences. A spa can be portable.Logical formLearned from33 sentences. A device can be portable.Logical formLearned from33 sentences. A shelter can be portable.Logical formLearned from33 sentences. A lamp can be portable.Logical formLearned from33 sentences. (Navigation devices) can be portable.Logical formLearned from33 sentences. An external hard drive can be portable.Logical formLearned from32 sentences. A (disk drive) can be portable.Logical formLearned from32 sentences. A person may have a portable player.Logical formLearned from32 sentences. A (gaming market) can be portable.Logical formLearned from32 sentences. Stages can be portable.Logical formLearned from32 sentences. An enclosure can be portable.Logical formLearned from32 sentences. A portable device may include ipod.Logical formLearned from32 sentences. A fireplace can be portable.Logical formLearned from32 sentences. A tent can be portable.Logical formLearned from32 sentences.