A (security item) can be useless.Logical formLearned from3 sentences. A tie can be useless.Logical formLearned from3 sentences. Some glasses can be useless.Logical formLearned from3 sentences. Umbrellas can be useless against snow.Logical formLearned from3 sentences. A politician can be useless to constituents.Logical formLearned from3 sentences. E-mail can be useless.Logical formLearned from3 sentences. Testimony can be useless.Logical formLearned from3 sentences. A splinter can be useless.Logical formLearned from3 sentences. Tickets can be useless to thieves.Logical formLearned from3 sentences. (Hair clippings) can be useless in showing a poison.Logical formLearned from3 sentences. Reforms can be useless.Logical formLearned from3 sentences. Metals can be useless.Logical formLearned from3 sentences. Awards can be useless.Logical formLearned from3 sentences. A footwear can be useless.Logical formLearned from3 sentences. A (peace process) can be useless.Logical formLearned from3 sentences.