A face may be concealed behind a headscarf.Logical formLearned from4 sentences. Electronic equipment may be concealed in a rock.Logical formLearned from4 sentences. Persons may conceal an intention.Logical formLearned from4 sentences. A country may conceal a program.Logical formLearned from4 sentences. Software may be concealed.Logical formLearned from4 sentences. A US-city may be concealed.Logical formLearned from4 sentences. A box may be concealed.Logical formLearned from4 sentences. A bomb may be concealed in a shoe.Logical formLearned from4 sentences. Some (family men) may conceal an affair.Logical formLearned from4 sentences. A dagger may be concealed.Logical formLearned from4 sentences. A government may conceal details of an investigation.Logical formLearned from4 sentences. Ties may conceal memories of suffering.Logical formLearned from4 sentences. A country may conceal programs.Logical formLearned from4 sentences. A male may be concealed from commissioners.Logical formLearned from4 sentences. Mountains may conceal a truth.Logical formLearned from4 sentences.