Objects in the image:
category: truck
category: person
category: person
category: car
category: person
category: person
category: person
category: backpack
category: backpack
category: car
category: person
category: person
category: backpack
category: person
category: umbrella
category: person
category: person
category: person
category: umbrella
category: backpack

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it umbrella?
a: No
q: is it car?
a: No
q: is it bag/backpack?
a: Yes
q: is it carried by one of 3 persons...nearest to us?
a: No
q: is it carried by a female..ahead of them?
a: Yes
q: the black color backpack?
a: Yes