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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: black helmet then?
a: Yes
q: wearing red jacket?
a: No
q: wearing black jacket?
a: Yes