Objects in the image:
category: person
category: backpack
category: handbag
category: person
category: umbrella
category: person
category: person
category: bench
category: person
category: person
category: bench
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: it is carry by a person?
a: Yes
q: is it of black color?
a: N/A
q: it is a backpack?
a: Yes