Screens can be portable.Logical formLearned from44 sentences. A digital camera can be portable.Logical formLearned from44 sentences. Monitors can be portable.Logical formLearned from44 sentences. A housing can be portable.Logical formLearned from44 sentences. Electric heaters can be portable.Logical formLearned from44 sentences. An engine can be portable.Logical formLearned from43 sentences. Programs can be portable.Logical formLearned from43 sentences. Bleachers can be portable.Logical formLearned from43 sentences. A bandwagon can be portable.Logical formLearned from43 sentences. Facilities can be portable.Logical formLearned from43 sentences. A planetarium can be portable.Logical formLearned from43 sentences. A high chair can be portable.Logical formLearned from43 sentences. A product can be portable.Logical formLearned from42 sentences. Libraries can be portable.Logical formLearned from42 sentences. A book can be portable.Logical formLearned from42 sentences.