A (query letter) may pertain-to a person.Logical formLearned from209 sentences. A letter can be constituted-of-or-filled-with request.Logical formLearned from208 sentences. A body may pertain-to a letter.Logical formLearned from208 sentences. A person may have a letter.Logical formLearned from207 sentences. A letter can be mysterious.Logical formLearned from206 sentences. A full text may pertain-to a letter.Logical formLearned from206 sentences. A letter can be from a world-city.Logical formLearned from206 sentences. A letter can be constituted-of-or-filled-with marque.Logical formLearned from206 sentences. (Call letters) may pertain-to a station.Logical formLearned from205 sentences. A letter may be signed by a male.Logical formLearned from205 sentences. A letter can be friendly.Logical formLearned from203 sentences. A person may write in a letter.Logical formLearned from203 sentences. Letters can be congratulatory.Logical formLearned from203 sentences. A letter may explain that something-is-the-case.Logical formLearned from202 sentences. A letter may begin.Logical formLearned from201 sentences.