A switch may unlock energy.Logical formLearned from4 sentences. A female may unlock a drawer.Logical formLearned from4 sentences. A key can be to unlocking secrets.Logical formLearned from4 sentences. A door may unlock with a click.Logical formLearned from4 sentences. A person may unlock an office.Logical formLearned from4 sentences. A person may unlock a door to an office.Logical formLearned from4 sentences. A person may unlock an achievement.Logical formLearned from4 sentences. A person may unlock that something-is-the-case.Logical formLearned from4 sentences. A male may unlock a door to a house.Logical formLearned from4 sentences. A person may unlock some modes.Logical formLearned from4 sentences. Medals may unlock rounds.Logical formLearned from4 sentences. (Oil technology) may change the world by unlocking an oilsand.Logical formLearned from4 sentences. A person may unlock an account.Logical formLearned from4 sentences. A male may unlock a male.Logical formLearned from4 sentences. A game may unlock special features.Logical formLearned from4 sentences.