Worlds may revolve.Logical formLearned from2 sentences. An issue may revolve around a pair of (security vulnerabilities).Logical formLearned from2 sentences. An argument may revolve around a question.Logical formLearned from2 sentences. Winds may revolve around centers.Logical formLearned from2 sentences. A course may revolve around a public inquiry.Logical formLearned from2 sentences. A gameplay may revolve around tales.Logical formLearned from2 sentences. Discussions may revolve around questions.Logical formLearned from2 sentences. A trial may revolve around a question.Logical formLearned from2 sentences. Presidential campaigns may revolve around debates.Logical formLearned from2 sentences. Questions may revolve around priorities.Logical formLearned from2 sentences. Life may revolve around spending hours.Logical formLearned from2 sentences. A disk may revolve around a black hole.Logical formLearned from2 sentences. A play may revolve around a group of actors.Logical formLearned from2 sentences. (Research interests) may revolve around a question.Logical formLearned from2 sentences. A program may revolve around communication.Logical formLearned from2 sentences.