A letter may complain that something-is-the-case.Logical formLearned from83 sentences. A male may release a letter.Logical formLearned from82 sentences. A letter can be on a website.Logical formLearned from82 sentences. A person may take a letter.Logical formLearned from82 sentences. An item can be a letter of intent of a government of a country.Logical formLearned from82 sentences. Some letters may be received.Logical formLearned from82 sentences. A letter can be persuasive.Logical formLearned from82 sentences. A letter may stress that something-is-the-case.Logical formLearned from82 sentences. A letter may express concern.Logical formLearned from82 sentences. A letter can be from a king.Logical formLearned from82 sentences. Some letters may be dated.Logical formLearned from81 sentences. A person may use letters.Logical formLearned from81 sentences. A letter can be from a doctor.Logical formLearned from81 sentences. Students may receive a letter.Logical formLearned from81 sentences. A letter can be to a board of directors.Logical formLearned from81 sentences.