Letters can be from soldiers.Logical formLearned from58 sentences. A letter can be by a female.Logical formLearned from58 sentences. Letters may pertain-to a world-city.Logical formLearned from58 sentences. A sound may pertain-to a letter.Logical formLearned from58 sentences. A package can be constituted-of-or-filled-with letters.Logical formLearned from58 sentences. Letters may undergo a removal.Logical formLearned from58 sentences. A male may produce a letter.Logical formLearned from58 sentences. A letter can be to persons.Logical formLearned from58 sentences. A letter can be evidence.Logical formLearned from58 sentences. Letters can be to a country.Logical formLearned from58 sentences. A release may pertain-to a letter.Logical formLearned from58 sentences. A letter can be to American persons.Logical formLearned from58 sentences. A letter can be to an (inspector general).Logical formLearned from58 sentences. A letter can be from a governor.Logical formLearned from58 sentences. A country may sign a letter of intent.Logical formLearned from57 sentences.