Results may be drilled.Logical formLearned from4 sentences. Operators may drill.Logical formLearned from4 sentences. A sports-celebrity may be drilled.Logical formLearned from4 sentences. Holes may be drilled into a knee.Logical formLearned from4 sentences. Oil may be drilled in a us-state.Logical formLearned from4 sentences. A time may be drilled.Logical formLearned from4 sentences. (Oil companies) may drill in a wildlife-refuge.Logical formLearned from4 sentences. A giant may be drilled.Logical formLearned from4 sentences. Some rigs may drill for natural gas.Logical formLearned from4 sentences. A baseman may be drilled.Logical formLearned from4 sentences. (Gas wells) may be drilled.Logical formLearned from4 sentences. Vandals may drill holes.Logical formLearned from4 sentences. Miners may be drilled into a (coal seam).Logical formLearned from4 sentences. A tunnel may be drilled by a boring machine.Logical formLearned from4 sentences. Some schools may be drilled.Logical formLearned from4 sentences.