A set can be constituted-of-or-filled-with some letters.Logical formLearned from38 sentences. A letter can be true.Logical formLearned from38 sentences. Recipients may pertain-to letters.Logical formLearned from38 sentences. Letters may pertain-to a latin alphabet.Logical formLearned from38 sentences. A letter can be from a group.Logical formLearned from38 sentences. A letter may pertain-to an ambassador.Logical formLearned from38 sentences. An open letter may be posted.Logical formLearned from38 sentences. A letter can be from a president.Logical formLearned from38 sentences. A file can be constituted-of-or-filled-with letters.Logical formLearned from38 sentences. Excerpts can be constituted-of-or-filled-with letters.Logical formLearned from38 sentences. A letter may point_out that something-is-the-case.Logical formLearned from38 sentences. Letters can be constituted-of-or-filled-with intention.Logical formLearned from37 sentences. Letters can be irate.Logical formLearned from37 sentences. Letters may pertain-to first names.Logical formLearned from37 sentences. A male may receive a letter from a female.Logical formLearned from37 sentences.