Persons may defend an unknown.Logical formLearned from7 sentences. An unknown can be female.Logical formLearned from7 sentences. A zone can be constituted-of-or-filled-with unknowns.Logical formLearned from7 sentences. A world may be dominated by unknowns.Logical formLearned from7 sentences. A status can be as an unknown.Logical formLearned from7 sentences. A fear of an unknown may hurt a company.Logical formLearned from7 sentences. Unknowns can be from a nation.Logical formLearned from7 sentences. An unknown can be a (surprise winner) of a poll.Logical formLearned from7 sentences. An unknown can be in an election.Logical formLearned from7 sentences. A leap can be into unknown.Logical formLearned from7 sentences. A (term unknown) can be in international humanitarian law.Logical formLearned from6 sentences. A period may pertain-to an unknown.Logical formLearned from6 sentences. An unknown can be unnamed.Logical formLearned from6 sentences. Unknowns can be inexperienced.Logical formLearned from6 sentences. A (name unknown) can be maiden.Logical formLearned from6 sentences.