A star may explode as a supernova.Logical formLearned from30 sentences. A rocket may explode.Logical formLearned from30 sentences. A railcar may explode.Logical formLearned from30 sentences. Some bombs may explode on (commuter trains).Logical formLearned from30 sentences. Explosives may explode.Logical formLearned from30 sentences. Some mines may explode.Logical formLearned from29 sentences. (Land mines) may explode.Logical formLearned from29 sentences. An airline may explode.Logical formLearned from29 sentences. Islamic militants may explode a (car bomb).Logical formLearned from29 sentences. A railcar may explode about some a.m..Logical formLearned from29 sentences. (Fuel tanks) may explode.Logical formLearned from29 sentences. A homemade bomb may explode.Logical formLearned from29 sentences. An ied may explode.Logical formLearned from28 sentences. Some (car bombs) may explode in succession.Logical formLearned from28 sentences. A knee may explode.Logical formLearned from28 sentences.