Objects in the image:
category: bottle
category: person
category: bicycle
category: backpack
category: bottle
category: person
category: bicycle
category: train
category: handbag

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a bicycle?
a: No
q: Is it a bottle?
a: No
q: Is it  on their bikes?
a: Yes
q: Is it one of the bag looking things?
a: Yes
q: Left bike??
a: Yes