Objects in the image:
category: car
category: person
category: car
category: truck
category: car
category: car
category: backpack
category: person
category: car
category: person
category: person
category: truck
category: truck
category: truck
category: car

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a person?
a: Yes
q: is it the guy in the blue jacket nearest us?
a: No
q: is it someone farther down that sidewalk?
a: Yes
q: is the person wearing a blue top?
a: Yes
q: is it the guy at the front of the group?
a: Yes