Objects in the image:
category: person
category: car
category: car
category: person
category: car
category: car
category: car
category: bicycle
category: car
category: car
category: person
category: bicycle
category: car
category: car
category: motorcycle
category: motorcycle
category: car
category: bicycle
category: bicycle
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: No
q: it is a tree?
a: No
q: is it a house?
a: No
q: is it to the left of the bikers?
a: No
q: is it to the right of the bikers?
a: No
q: is it the sign?
a: No
q: is it on a vehicle?
a: No
q: is it a motorcycle?
a: Yes
q: is it a house?
a: No
q: is it a motorcycle by the green tree?
a: No
q: is the motorcycle to the right of the white car?
a: No
q: is it to the left of the car?
a: Yes
q: is a person on it?
a: Yes
q: is he wearing white?
a: No
q: is it to his left?
a: No
q: is it to his right?
a: Yes
q: are they in black?
a: Yes