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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a person behind?
a: Yes
q: is he wear cap?
a: Yes
q: is he wear white cap?
a: Yes