Objects in the image:
category: person
category: backpack
category: person
category: skateboard
category: person
category: person
category: backpack
category: bottle
category: skateboard
category: bottle

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is he or she wearing a red shirt?
a: Yes
q: Is he wearing black pants?
a: Yes