A volume can be constituted-of-or-filled-with mortar.Logical formLearned from4 sentences. Terrorists may fire mortars.Logical formLearned from4 sentences. Mortars may be used.Logical formLearned from4 sentences. Some mortar may be developed by a military-or-other-action-organization.Logical formLearned from4 sentences. A mortar can be weak.Logical formLearned from4 sentences. A mortar can be a mortar.Logical formLearned from4 sentences. Mortars can be dry.Logical formLearned from4 sentences. A (mortar fire) can be indirect.Logical formLearned from4 sentences. A recoil may pertain-to mortars.Logical formLearned from4 sentences. Mortar may be pounded.Logical formLearned from4 sentences. A need can be for mortar.Logical formLearned from4 sentences. A round can be constituted-of-or-filled-with (enemy mortar fire).Logical formLearned from4 sentences. Mortars may undergo poundings.Logical formLearned from4 sentences. Some mortar can be a mortar.Logical formLearned from4 sentences. Mortar may undergo concentration.Logical formLearned from4 sentences.