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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the stick?
a: No
q: is it the back pack?
a: No
q: is it something belong to the hikers?
a: Yes
q: is the object with the 1st person on left of frame?
a: No
q: with the 2nd person?
a: No
q: with the 3rd?
a: Yes