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

Guessing-game dialogue about one of the objects:
q: Is it on the person's back?
a: No
q: Is the person riding it?
a: No
q: Is it on the left side of the fence?
a: No
q: Is it a sign?
a: No
q: Is it on the right side of the picture?
a: No
q: Is it on the left side of the picture?
a: No
q: Is it on the road the biker is riding?
a: No
q: Is it far ahead in the distance?
a: No
q: Is it on the bike?
a: Yes
q: Is the rider sitting on it?
a: No
q: Is the rider holding it?
a: No
q: Is it a wheel?
a: No
q: Is it a spoke?
a: No
q: Is it the red reflector on the back of the bike?
a: No
q: Is it the bar between the rider's legs?
a: No
q: Is it the bar supporting the seat?
a: No
q: Is it the bike chain?
a: No
q: Is it the pedal?
a: No
q: Is it the gear control?
a: No
q: Is it the rubber on the handle bar?
a: No
q: Is it the person?
a: Yes