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

Guessing-game dialogue about one of the objects:
q: vehicle ??
a: No
q: person ??
a: Yes
q: on the pavement?
a: Yes
q: in the right half of the image?
a: Yes
q: next to the biker?
a: No
q: next to him?
a: Yes
q: wearing grey tee shirt?
a: Yes