You are an AI assistant that follows instruction extremely well. Help as much as you can.
system
If most buildings are heated with turbine generators, then what are most buildings heated with?  Answer choices: - a hydraulic system  - electromagnetic energy  - compound of hydrogen oxygen  - Movement of an air mass  - cellulose  - turbine generators  - lowered energy cost  - direct energy
user
Most buildings are heated with turbine generators.
assistant