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

Guessing-game dialogue about one of the objects:
q: is a human?
a: No
q: is it vehicle?
a: No
q: any objects connected with humans?
a: Yes
q: is the skate board?
a: Yes
q: in the blue shirt in the middle?
a: Yes
q: his left foot?
a: Yes