A time may pertain-to a russian revolution.Logical formLearned from18 sentences. A revolution can be in power.Logical formLearned from18 sentences. A way can be for a revolution.Logical formLearned from18 sentences. A road can be to revolution.Logical formLearned from18 sentences. A revolution can be against a country.Logical formLearned from18 sentences. A revolution can be middle-class.Logical formLearned from18 sentences. A revolution may pertain-to the world.Logical formLearned from18 sentences. A revolution may topple dictator.Logical formLearned from18 sentences. A revolution can be against a political establishment.Logical formLearned from18 sentences. A chance may pertain-to a revolution.Logical formLearned from18 sentences. A message may pertain-to a revolution.Logical formLearned from18 sentences. An islamic revolution may oust a shah.Logical formLearned from18 sentences. A successor can be to a founder of some islamic revolution.Logical formLearned from18 sentences. A crackdown can be on a (velvet revolution).Logical formLearned from18 sentences. Celebrations may mark an anniversary of an islamic revolution.Logical formLearned from18 sentences.