Objects in the image:
category: backpack
category: person
category: person
category: person
category: person
category: person
category: backpack
category: person
category: snowboard
category: person
category: backpack
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: ski board?
a: No
q: backpack ??
a: Yes
q: someone on top wearing it?
a: No
q: right side?
a: No
q: left side blue jacket?
a: No
q: someone before him?
a: Yes
q: you mean toward left?
a: Yes
q: second from edge?
a: No
q: the next ??
a: No
q: the next ??
a: Yes