An unit may be drilled.Logical formLearned from8 sentences. Wells may be drilled in an area.Logical formLearned from8 sentences. Wells may be drilled for farm.Logical formLearned from8 sentences. A section may be drilled.Logical formLearned from8 sentences. Doctors may drill holes.Logical formLearned from8 sentences. Crews may drill relief.Logical formLearned from8 sentences. Rigs may drill some (relief wells).Logical formLearned from8 sentences. A total of some wells may be drilled.Logical formLearned from8 sentences. Opposes may drill in reserve.Logical formLearned from8 sentences. Engineers may drill into a crust.Logical formLearned from8 sentences. A male may be drilled in a shot.Logical formLearned from8 sentences. Soldiers may be drilled.Logical formLearned from8 sentences. A shaft may be drilled.Logical formLearned from8 sentences. Holes may be drilled in ice.Logical formLearned from7 sentences. Some wells may be drilled in an area.Logical formLearned from7 sentences.