A letter may undergo an arrival.Logical formLearned from98 sentences. A letter can be to a deity.Logical formLearned from98 sentences. A letter may undergo an issuance.Logical formLearned from98 sentences. An office may receive a letter.Logical formLearned from98 sentences. An open letter can be to a president.Logical formLearned from98 sentences. A letter can be to a writer.Logical formLearned from98 sentences. A letter can be positive.Logical formLearned from98 sentences. A letter can be to a king.Logical formLearned from97 sentences. Some letters can be vowels.Logical formLearned from97 sentences. An existence may pertain-to a letter.Logical formLearned from97 sentences. A person may write a letter to a male.Logical formLearned from97 sentences. A letter may request that something-is-the-case.Logical formLearned from96 sentences. Letters may pertain-to a country.Logical formLearned from96 sentences. Millions can be constituted-of-or-filled-with letters.Logical formLearned from96 sentences. Persons may write a letter.Logical formLearned from96 sentences.