Unknown can be that something-is-the-case.Logical formLearned from5 sentences. An unknown can be green.Logical formLearned from5 sentences. A space may pertain-to an unknown.Logical formLearned from5 sentences. An unknown can be a conflict.Logical formLearned from5 sentences. A shock may pertain-to an unknown.Logical formLearned from5 sentences. Experts may say (impact unknown).Logical formLearned from5 sentences. Fear can be for an unknown.Logical formLearned from5 sentences. An unknown may manifest vastness.Logical formLearned from5 sentences. A journey can be to an unknown.Logical formLearned from5 sentences. A person may plunge into an unknown.Logical formLearned from5 sentences. A thirst can be for an unknown.Logical formLearned from5 sentences. Unknowns can be to a person.Logical formLearned from5 sentences. Unknowns may undergo a collection.Logical formLearned from5 sentences. An unknown may loom.Logical formLearned from5 sentences. Powers may pertain-to an unknown.Logical formLearned from5 sentences.