Objects in the image:
category: person
category: bicycle
category: person
category: car
category: truck
category: truck
category: car
category: car
category: backpack
category: dog
category: traffic light
category: bicycle
category: car
category: truck
category: car
category: bus

Guessing-game dialogue about one of the objects:
q: a person ??
a: No
q: a vehicle?
a: Yes
q: a car ??
a: Yes
q: car between the red and gray tuck?
a: Yes
q: black ??
a: Yes