A wave may form.Logical formLearned from15 sentences. Waves can be rugged.Logical formLearned from15 sentences. A wave may snap a mast.Logical formLearned from15 sentences. Waves may rock boats.Logical formLearned from15 sentences. A wave may pertain-to strikes.Logical formLearned from15 sentences. A first wave may pertain-to a surge.Logical formLearned from15 sentences. An attack can be part of a wave of violence.Logical formLearned from15 sentences. A wave can be constituted-of-or-filled-with drug.Logical formLearned from15 sentences. A (democracy wave) may sweep a continent.Logical formLearned from15 sentences. Waves can be against a boulevard.Logical formLearned from15 sentences. Some persons may be knock_downed by waves.Logical formLearned from15 sentences. A hurricane may create waves.Logical formLearned from15 sentences. Waves can be constituted-of-or-filled-with pilgrims.Logical formLearned from15 sentences. A person may ride an artificial wave.Logical formLearned from15 sentences. New waves can be constituted-of-or-filled-with bloodshed.Logical formLearned from15 sentences.