Try this: Show the camera the objects listed below: car, pickup truck, van, box truck, bus, motorcycle, bicycle, electric scooter, parking sign, no parking sign, no stopping sign, loading zone sign, bus stop sign, traffic sign, street name sign, stop sign, speed limit sign, one way sign, parking meter, fire hydrant, bollard, traffic cone, road barrier, curb, painted curb, red curb, yellow curb, white curb, blue curb, green curb, curb ramp, driveway entrance, sidewalk, road surface, parking lane, bike lane, bus lane, lane marking, road arrow, crosswalk, bus stop shelter, bus stop pole, parking lot, parking garage entrance.