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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something someone is holding?
a: No
q: is it on the floor?
a: Yes
q: Is it on the right side of the picture?
a: No
q: IS it the sign on the left side?
a: No
q: IS it on the left side of the picture?
a: No
q: Is it a pair of skis?
a: No
q: Is it a bag?
a: Yes
q: IS it the blue bag behind the guy that is kneeling down talking to the other guy?
a: Yes