A slope can be (avalanche slope).Logical formLearned from4 sentences. An avalanche may be set_offed.Logical formLearned from4 sentences. An avalanche may start with a noise.Logical formLearned from4 sentences. An avalanche may hit a (ski resort).Logical formLearned from4 sentences. An avalanche may pertain-to a day.Logical formLearned from4 sentences. An avalanche may rumble_down a mountainside.Logical formLearned from4 sentences. Thousands may escape an avalanche.Logical formLearned from4 sentences. An avalanche may roar through a region.Logical formLearned from4 sentences. A main road may be blocked by an avalanche.Logical formLearned from4 sentences. An (avalanche danger) can be persistent.Logical formLearned from4 sentences. An avalanche may crash on a slope.Logical formLearned from4 sentences. A house may be buried by an avalanche.Logical formLearned from4 sentences. An avalanche can be on a highway.Logical formLearned from4 sentences. An avalanche may strike before some a.m..Logical formLearned from4 sentences. A male may be swept into a lake by an avalanche.Logical formLearned from4 sentences.