Guerrillas may be armed with mortars.Logical formLearned from5 sentences. Troops may use mortars.Logical formLearned from5 sentences. Mortar may continue.Logical formLearned from5 sentences. Mortars may begin.Logical formLearned from5 sentences. Mortars may undergo a firing.Logical formLearned from5 sentences. A (mortar attack) can be on a convoy.Logical formLearned from5 sentences. Reports can be constituted-of-or-filled-with (mortar attacks).Logical formLearned from5 sentences. Mortar can be on (government troops).Logical formLearned from5 sentences. Mortars may be surrounded by sandbags.Logical formLearned from5 sentences. Some mortars may be fired from a truck.Logical formLearned from5 sentences. A round can be from a mortar.Logical formLearned from5 sentences. Some (mortar bombs) may explode.Logical formLearned from5 sentences. A (mortar round) can be with some (artillery shells).Logical formLearned from5 sentences. A boy may be killed by mortars.Logical formLearned from5 sentences. A capital can be with some (mm mortars).Logical formLearned from5 sentences.