Persons may stand at a threshold of a new era.Logical formLearned from13 sentences. Other men may stand.Logical formLearned from13 sentences. A machine may stand.Logical formLearned from13 sentences. A female may stand at feet.Logical formLearned from13 sentences. An assertion may stand.Logical formLearned from13 sentences. Cities may stand.Logical formLearned from13 sentences. A person may stand over a toilet.Logical formLearned from13 sentences. A person may stand in a front.Logical formLearned from13 sentences. Persons may stand face.Logical formLearned from13 sentences. A blog may stand.Logical formLearned from13 sentences. A person may stand by a contention.Logical formLearned from13 sentences. A person may stand in a bar.Logical formLearned from13 sentences. (Security personnel) may stand guard.Logical formLearned from13 sentences. A person may stand on a mountain.Logical formLearned from13 sentences. A person may stand by a bar.Logical formLearned from13 sentences.