A male may bowl for a duck.Logical formLearned from15 sentences. A streak may pertain-to ducks.Logical formLearned from15 sentences. Ducks may beat a US-city.Logical formLearned from15 sentences. A person may break a duck.Logical formLearned from15 sentences. A female may make a duck.Logical formLearned from14 sentences. Owner may pertain-to ducks.Logical formLearned from14 sentences. A birthday may pertain-to duck.Logical formLearned from14 sentences. A total can be constituted-of-or-filled-with some ducks.Logical formLearned from14 sentences. A duck can be funny.Logical formLearned from14 sentences. Skin may pertain-to a duck.Logical formLearned from14 sentences. Chances may pertain-to ducks.Logical formLearned from14 sentences. Duck can be on an anvil.Logical formLearned from14 sentences. Persons may conceive duck.Logical formLearned from14 sentences. (Duck ego wish) may be allowed.Logical formLearned from14 sentences. A male may score duck by virtue of a walk-on-attacker.Logical formLearned from14 sentences.