A male may switch majors.Logical formLearned from18 sentences. A person may switch from heat.Logical formLearned from18 sentences. A person may switch from a company.Logical formLearned from18 sentences. A person may switch languages.Logical formLearned from18 sentences. Dpis may switch.Logical formLearned from18 sentences. A person may switch tactics.Logical formLearned from18 sentences. A person may switch for (halo head lights).Logical formLearned from18 sentences. A person may switch isps.Logical formLearned from18 sentences. A person may switch to a channel.Logical formLearned from18 sentences. Persons may switch to a system.Logical formLearned from18 sentences. Circuit may be switched.Logical formLearned from18 sentences. A US-city may switch recognition to a world-city.Logical formLearned from18 sentences. A country may switch diplomatic recognition to a world-city.Logical formLearned from18 sentences. A scene may switch.Logical formLearned from17 sentences. A male may switch channels.Logical formLearned from17 sentences.