A concept can be from a (truth value unknown).Logical formLearned from3 sentences. A search can be into an unknown.Logical formLearned from3 sentences. Unknowns can be in an equation.Logical formLearned from3 sentences. An unknown may bear a relationship to a category of costs.Logical formLearned from3 sentences. A (control value) may become an unknown.Logical formLearned from3 sentences. Unknowns can be inherent in a model.Logical formLearned from3 sentences. An unknown can be a role.Logical formLearned from3 sentences. A person may get an unknown.Logical formLearned from3 sentences. Unknowns can be technological.Logical formLearned from3 sentences. Unknowns can be acceptable.Logical formLearned from3 sentences. (Program unknowns) may introduce uncertainty.Logical formLearned from3 sentences. An unknown can be to a female.Logical formLearned from3 sentences. A bridge can be to an unknown.Logical formLearned from3 sentences. Some (power unknown) can be on a planet.Logical formLearned from3 sentences. An unknown may clutch a male by a nose.Logical formLearned from3 sentences.