Objects in the image:
category: traffic light
category: person
category: tennis racket
category: person
category: car
category: tennis racket
category: person
category: traffic light
category: bench

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the man with racket?
a: No
q: is it the man in grey and black?
a: Yes