Attacks may involve a firing of mortars.Logical formLearned from4 sentences. (Military observers) may be barred from investigatting a mortar.Logical formLearned from4 sentences. Some mortars can be constituted-of-or-filled-with size.Logical formLearned from4 sentences. Some fighters may use mortars.Logical formLearned from4 sentences. Mortar can be from positions.Logical formLearned from4 sentences. Fighters may fire some mortars.Logical formLearned from4 sentences. A total of some mortars may be fired.Logical formLearned from4 sentences. A (mortar fire) can be alleged.Logical formLearned from4 sentences. Some (village homes) may be damaged by (mortar fire).Logical formLearned from4 sentences. A (car bombing) of (mortar attacks) may add to a carnage.Logical formLearned from4 sentences. A mortar can be on an (oil tanker).Logical formLearned from4 sentences. A mortar may strike a house.Logical formLearned from4 sentences. A (mortar fire) can be retaliatory.Logical formLearned from4 sentences. A mortar can be isolated.Logical formLearned from4 sentences. Mortars may explode without end.Logical formLearned from4 sentences.