Objects in the image:
category: person
category: person
category: truck
category: backpack
category: backpack
category: person
category: airplane
category: person
category: backpack

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: No
q: is it red color?
a: No
q: is it flight?
a: No
q: Is it on the right?
a: No
q: is it black?
a: Yes
q: is it near the flight?
a: No
q: is it in the left bottom of the picture?
a: Yes