A (letter grade) may pertain-to a person.Logical formLearned from50 sentences. Letters can be poignant.Logical formLearned from50 sentences. A letter may pertain-to a complainant.Logical formLearned from50 sentences. A letter can be hard.Logical formLearned from50 sentences. A letter may pertain-to an international-political-entity.Logical formLearned from50 sentences. Letters can be to leaders.Logical formLearned from50 sentences. A letter may be released by an office.Logical formLearned from50 sentences. A source may pertain-to letters.Logical formLearned from50 sentences. A country may send a letter.Logical formLearned from50 sentences. A female may leave a letter.Logical formLearned from49 sentences. A letter may argue that something-is-the-case.Logical formLearned from49 sentences. Letters can be emotional.Logical formLearned from49 sentences. A letter can be from a judge.Logical formLearned from49 sentences. A letter can be consonant.Logical formLearned from49 sentences. A letter can be from a deity.Logical formLearned from49 sentences.