Oklahoma City firefighters responded to a business fire early Monday morning in west Oklahoma City. Officials responded to ATC Drivetrain Inc., near Reno Avenue and North Morgan Road around 4:00 a.m. According to firefighters at the scene, a parts machine was turned on without water running through it, which caused it to overheat. Firefighters said a large portion of the building was filled with smoke as a result of the fire. The fire was contained to the machine. Employees were evacuated out of the building while the fire was contained. No injuries were reported.

Can we draw the following conclusion?
Oklahoma City firefighters were able to evacuate all employees and contain the fire successfully even though the fire occurred at the height of rush hour.

Pick from:
[a]. Yes.
[b]. It's impossible to say.
[c]. No.
[b].