A letter may be obtained.Logical formLearned from142 sentences. A letter can be from a reader.Logical formLearned from141 sentences. A letter can be to supporters.Logical formLearned from141 sentences. A letter may be mailed.Logical formLearned from141 sentences. A letter can be to a world-city.Logical formLearned from141 sentences. A female may write a person a letter.Logical formLearned from141 sentences. A letter may call.Logical formLearned from141 sentences. A handful can be constituted-of-or-filled-with letters.Logical formLearned from140 sentences. Letters may show that something-is-the-case.Logical formLearned from140 sentences. A total can be constituted-of-or-filled-with some letters.Logical formLearned from139 sentences. A male may send letters.Logical formLearned from139 sentences. Letters can be supportive.Logical formLearned from139 sentences. A letter can be to an elected-representative.Logical formLearned from139 sentences. A portion may pertain-to a letter.Logical formLearned from139 sentences. A person may open a letter.Logical formLearned from139 sentences.