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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it on a person?
a: Yes
q: Is it clothes?
a: No
q: Is the person holding it on the far left of the picture?
a: No
q: Is the second person from left holding it?
a: No
q: Is the third person from left holding it?
a: No
q: Is the fourth person from left holding it?
a: N/A
q: Is the person in red holding it?
a: N/A
q: Is it the backpack?
a: Yes
q: Is it the full backpack?
a: Yes