A (log bonfire) may undergo a collapse.Logical formLearned from13 sentences. A (school building) may undergo a collapse.Logical formLearned from13 sentences. A collapse may pertain-to last summer.Logical formLearned from13 sentences. A bulwark can be against a collapse of a (peace process).Logical formLearned from13 sentences. A (land price bubble) may undergo a collapse.Logical formLearned from13 sentences. A residential building may undergo a collapse.Logical formLearned from13 sentences. A collapse may show athletes.Logical formLearned from13 sentences. An elimination of controls may lead to a (currency collapse).Logical formLearned from13 sentences. A (root cause) may pertain-to a collapse.Logical formLearned from13 sentences. An economic boom may undergo a collapse.Logical formLearned from13 sentences. Medias may undergo a collapse.Logical formLearned from13 sentences. A single currency can be at risk of collapse.Logical formLearned from13 sentences. (Ice shelves) may undergo a collapse.Logical formLearned from13 sentences. An (apartheid system) may undergo a collapse.Logical formLearned from13 sentences. A halt can be with a soviet collapse.Logical formLearned from13 sentences.