Dozens can be constituted-of-or-filled-with letters.Logical formLearned from473 sentences. Letters can be constituted-of-or-filled-with protest.Logical formLearned from471 sentences. A person may write a male a letter.Logical formLearned from465 sentences. A letter can be famous.Logical formLearned from464 sentences. Persons may receive a letter.Logical formLearned from458 sentences. Copies may pertain-to letters.Logical formLearned from456 sentences. A letter can be to a counterpart.Logical formLearned from451 sentences. A letter can be from a male.Logical formLearned from451 sentences. A letter can be to a government-agency.Logical formLearned from448 sentences. A content may pertain-to a letter.Logical formLearned from443 sentences. A letter can be to a board.Logical formLearned from440 sentences. A letter can be constituted-of-or-filled-with invitation.Logical formLearned from439 sentences. A letter can be suspicious.Logical formLearned from438 sentences. A male may write in a letter.Logical formLearned from438 sentences. A response can be to a letter.Logical formLearned from437 sentences.