Libraries may change.Logical formLearned from51 sentences. Proportions may change.Logical formLearned from51 sentences. A machine may change the world.Logical formLearned from51 sentences. A world-city may change a position.Logical formLearned from51 sentences. A lot may change in a life.Logical formLearned from51 sentences. Property may change hands.Logical formLearned from51 sentences. A situation may change in some years.Logical formLearned from51 sentences. A female may change an appearance.Logical formLearned from50 sentences. Tires may be changed.Logical formLearned from50 sentences. Persons may change the future.Logical formLearned from50 sentences. Leaves may change colors.Logical formLearned from50 sentences. A male may change a direction.Logical formLearned from50 sentences. Persons may change plans.Logical formLearned from50 sentences. A person may change names.Logical formLearned from50 sentences. A light may change to green.Logical formLearned from50 sentences.