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

Guessing-game dialogue about one of the objects:
q: is it a bag?
a: Yes
q: inside the trolley?
a: Yes
q: is it in top?
a: No
q: Is it the bottom?
a: No
q: middle . .?
a: Yes
q: Is it black?
a: No
q: is it blue . .?
a: Yes
q: Is it the light or sky blue?
a: No
q: dark blue navy blue?
a: Yes