Objects in the image:
category: airplane
category: bird
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: plain ??
a: N/A
q: part of plain ??
a: Yes
q: engine ??
a: No
q: is it part of this big plain in center of the photo?
a: No
q: is it in the background behind that plain?
a: No