A (rocket scientist) may send some (rubber ducks).Logical formLearned from18 sentences. Ducks may win a game.Logical formLearned from18 sentences. Black duck may provide solutions.Logical formLearned from18 sentences. Duck can be an extension.Logical formLearned from18 sentences. A duck can be decisive.Logical formLearned from18 sentences. An egg may pertain-to a duck.Logical formLearned from18 sentences. Persons can be a duck.Logical formLearned from18 sentences. An album may pertain-to duck.Logical formLearned from18 sentences. A duck can be pink.Logical formLearned from18 sentences. Ducks may announce that something-is-the-case.Logical formLearned from18 sentences. A back may pertain-to a duck.Logical formLearned from18 sentences. A person may want a duck.Logical formLearned from18 sentences. Ducks can be unlimited.Logical formLearned from18 sentences. A duck can be popular.Logical formLearned from18 sentences. Ducks may quack.Logical formLearned from18 sentences.