A person may have a (gas leak).Logical formLearned from13 sentences. A (gas station) may have gas.Logical formLearned from13 sentences. Construction of a (gas pipeline system) may be started during 1960s.Logical formLearned from13 sentences. A station may have gas.Logical formLearned from13 sentences. Concerns can be about (gas prices).Logical formLearned from13 sentences. Gas may be bought.Logical formLearned from13 sentences. Some (gas canisters) may explode.Logical formLearned from13 sentences. A person may get a (gas bill).Logical formLearned from13 sentences. A brand can be constituted-of-or-filled-with gas.Logical formLearned from13 sentences. Three-fourths of (gas stations) may run.Logical formLearned from13 sentences. (Gas prices) can be across a country.Logical formLearned from13 sentences. A quarter-tank can be constituted-of-or-filled-with gas.Logical formLearned from13 sentences. (Gas prices) may be increased.Logical formLearned from13 sentences. Persons may line_up at (gas stations).Logical formLearned from13 sentences. Targets can be for (greenhouse gas reductions).Logical formLearned from13 sentences.