Objects in image: Ambulance, Land vehicle, Vehicle, Wheel, Car, Taxi
Text visible in image: Clean, Air, Hybrid, Bus, 151, SHERIDAN, CHICAGO, FIRE, DEPARTMENT, EMERGENCY, MEDICA, SERVICES, 93
Question: how is the bus cleaner for the air than a normal bus?
Answers: hybrid, hybrid, yes, it's a hybrid, hybrid, it's hybrid bus, hybrid, it's a clean air hybrid bus, hybrid, answering does not require reading text in the image