A letter can be from persons.Logical formLearned from48 sentences. A male may write a letter to an editor.Logical formLearned from48 sentences. A letter can be constituted-of-or-filled-with advice.Logical formLearned from48 sentences. Persons may respond to a letter.Logical formLearned from48 sentences. Letters can be encouraging.Logical formLearned from48 sentences. A letter can be revised.Logical formLearned from48 sentences. A person may use a letter.Logical formLearned from48 sentences. Signatories can be to a letter.Logical formLearned from48 sentences. An issue may pertain-to letters.Logical formLearned from48 sentences. A date can be on a letter.Logical formLearned from48 sentences. Letters can be part of a plan.Logical formLearned from48 sentences. A sender may pertain-to a letter.Logical formLearned from48 sentences. A letter can be to a family.Logical formLearned from48 sentences. A first paragraph may pertain-to a letter.Logical formLearned from48 sentences. Persons may get some letters.Logical formLearned from48 sentences.