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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is he in front?
a: Yes
q: is he with bag?
a: No
q: Is he to the right?
a: Yes
q: is he in frontmost?
a: Yes