Pollution can be from ships.Logical formLearned from53 sentences. A ship can be small.Logical formLearned from53 sentences. A ship may be commissioned on a month.Logical formLearned from53 sentences. A male may sink some ships.Logical formLearned from53 sentences. A motion may pertain-to a ship.Logical formLearned from53 sentences. Ships can be constituted-of-or-filled-with some tons.Logical formLearned from53 sentences. A force can be constituted-of-or-filled-with ships.Logical formLearned from53 sentences. A return may pertain-to a ship.Logical formLearned from53 sentences. Persons can be on a ship.Logical formLearned from53 sentences. A ship can be incoming.Logical formLearned from53 sentences. A ship may pertain-to a sports-celebrity.Logical formLearned from53 sentences. Ship may pertain-to a line.Logical formLearned from53 sentences. Board may pertain-to a ship.Logical formLearned from53 sentences. (Cruise ships) may pertain-to the world.Logical formLearned from53 sentences. A condition may pertain-to a ship.Logical formLearned from53 sentences.