A planetary system may revolve.Logical formLearned from1 sentences. Gears may revolve at a speed.Logical formLearned from1 sentences. A rotor may revolve.Logical formLearned from1 sentences. A gear may revolve a (sun gear) of a train.Logical formLearned from1 sentences. A camera may revolve around a room.Logical formLearned from1 sentences. A fight may revolve some questions.Logical formLearned from1 sentences. A subplot may revolve an (exchange student).Logical formLearned from1 sentences. Happiness may revolve around some sisters.Logical formLearned from1 sentences. A female may revolve around families.Logical formLearned from1 sentences. A number of scenes may revolve around a theme of cellular communication.Logical formLearned from1 sentences. A debate may revolve around some axes.Logical formLearned from1 sentences. An action may revolve some characters.Logical formLearned from1 sentences. School may revolve around needs.Logical formLearned from1 sentences. A person may revolve around an experience of dependence.Logical formLearned from1 sentences. Efforts may revolve around a woman.Logical formLearned from1 sentences.