Objects in the image:
category: person
category: person
category: person
category: truck
category: person
category: person
category: traffic light
category: person
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a person?
a: No
q: is it a behind?
a: N/A
q: is it a flag?
a: No
q: is it car?
a: N/A
q: is it person?
a: No
q: is it red truck?
a: N/A
q: is it in right?
a: No
q: is it vehicle?
a: No
q: is it related to vehicle?
a: Yes
q: related to red vehicle in front?
a: Yes
q: is it black display on top?
a: Yes