Someone may understand issues.Logical formLearned from21 sentences. A writer may understand.Logical formLearned from21 sentences. Persons may understand a necessity.Logical formLearned from21 sentences. Persons may understand a reluctance.Logical formLearned from21 sentences. A governor may understand that something-is-the-case.Logical formLearned from21 sentences. A person may understand matters.Logical formLearned from21 sentences. Persons may understand in a sense.Logical formLearned from21 sentences. He/she may understand.Logical formLearned from21 sentences. A person may understand from emails.Logical formLearned from21 sentences. A person may understand a topic.Logical formLearned from21 sentences. Persons may understand physics.Logical formLearned from21 sentences. A male may understand a life.Logical formLearned from21 sentences. A female may understand a man.Logical formLearned from21 sentences. Officers may understand.Logical formLearned from21 sentences. A key to understanding a political-leader may understand a theology.Logical formLearned from21 sentences.