A person may switch an allegiance.Logical formLearned from17 sentences. A person may switch tasks.Logical formLearned from17 sentences. A person may switch to some application.Logical formLearned from17 sentences. A US-city may switch recognition to a world-city.Logical formLearned from17 sentences. Voters may switch parties.Logical formLearned from17 sentences. A male may switch trains.Logical formLearned from17 sentences. A world-city may switch diplomatic recognition to a world-city.Logical formLearned from17 sentences. A country may switch some percent of (heating plants) to (crude oil).Logical formLearned from17 sentences. A station may switch to a format.Logical formLearned from16 sentences. A male may switch to television.Logical formLearned from16 sentences. A person may switch to a service.Logical formLearned from16 sentences. A person may think about switching.Logical formLearned from16 sentences. A male may switch a light.Logical formLearned from16 sentences. A public may be switched.Logical formLearned from16 sentences. A person may switch with a male.Logical formLearned from16 sentences.