Ships may travel.Logical formLearned from55 sentences. Ships can be built.Logical formLearned from55 sentences. Boilers may pertain-to a ship.Logical formLearned from55 sentences. Ships may pertain-to a convoy.Logical formLearned from55 sentences. A ship may be docked.Logical formLearned from55 sentences. Ships can be with some mbs of internal memory.Logical formLearned from55 sentences. A ship may pertain-to a US-president.Logical formLearned from55 sentences. A structure may pertain-to a ship.Logical formLearned from55 sentences. Persons may return to a ship.Logical formLearned from55 sentences. Some ships may be destroyed.Logical formLearned from55 sentences. Ships may sink.Logical formLearned from55 sentences. Somali pirates may release a ship.Logical formLearned from55 sentences. Somali pirates may hijack a ship.Logical formLearned from55 sentences. A ship can be to a country.Logical formLearned from55 sentences. Presence may pertain-to a ship.Logical formLearned from55 sentences.