An aircraft may return to a country.Logical formLearned from32 sentences. Attacks can be by aircrafts.Logical formLearned from32 sentences. Aircrafts may pertain-to a type.Logical formLearned from32 sentences. Some aircrafts may crash.Logical formLearned from32 sentences. An option can be for some aircraft.Logical formLearned from32 sentences. Aircrafts may undergo an acquisition.Logical formLearned from32 sentences. An aircraft may undergo a manufacture.Logical formLearned from32 sentences. Parts can be constituted-of-or-filled-with aircraft.Logical formLearned from32 sentences. An aircraft may be found.Logical formLearned from32 sentences. A country may think of flying (reconnaissance aircraft).Logical formLearned from32 sentences. Aircrafts can be enough.Logical formLearned from32 sentences. Aircrafts may be built.Logical formLearned from32 sentences. An array can be constituted-of-or-filled-with aircraft.Logical formLearned from32 sentences. An aircraft may feature fly by (wire controls).Logical formLearned from32 sentences. Some parties may commence an assembly of an aircraft.Logical formLearned from32 sentences.