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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: No
q: is it a bike?
a: No
q: is it blue?
a: No
q: is it red?
a: No
q: is it a vehicle?
a: Yes
q: Is it on the right half of the highway?
a: No
q: is it on the roadway that goes up the steep hill in the middle?
a: Yes
q: i see two lanes on the right and two on the left. is it in one of the lanes on the right?
a: No
q: is it in the left two lanes?
a: Yes
q: is it above the skateboarder's head, on the hill?
a: No
q: is it near his left arm?
a: No
q: his left shoulder?
a: Yes
q: is it a white car above his left shoulder in the left lane?
a: Yes