Objects in the image:
category: clock
category: person
category: person
category: bus
category: person
category: person
category: person
category: person
category: person
category: person
category: suitcase
category: person
category: clock
category: bus
category: person
category: suitcase
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is that person crossing the street?
a: Yes
q: is the person an adult?
a: Yes
q: is that person holding a trolley bag?
a: Yes
q: is that black in color?
a: No