An area can be with an (avalanche control).Logical formLearned from2 sentences. An avalanche may sweep_down a canyon.Logical formLearned from2 sentences. Some avalanche can be strong.Logical formLearned from2 sentences. A snowshoer may witness an avalanche.Logical formLearned from2 sentences. Contact may be lost during an avalanche.Logical formLearned from2 sentences. A (death toll) may pertain-to an avalanche.Logical formLearned from2 sentences. An avalanche may kill some teenagers.Logical formLearned from2 sentences. Classmates may be killed in an avalanche.Logical formLearned from2 sentences. An (avalanche report) may list a hazard.Logical formLearned from2 sentences. An (avalanche report) can be for an office.Logical formLearned from2 sentences. An (avalanche report) may pertain-to a weekday.Logical formLearned from2 sentences. An area of an avalanche can be popular with tourists.Logical formLearned from2 sentences. Some (mountain guides) may see an avalanche.Logical formLearned from2 sentences. An avalanche can be capable of destroying some acres of forest.Logical formLearned from2 sentences. An avalanche can be off a roof.Logical formLearned from2 sentences.