Objects in the image:
category: bench
category: person
category: person
category: person
category: person
category: backpack
category: bench
category: person
category: bench
category: person
category: person
category: person
category: car
category: person
category: bicycle
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they riding a bike?
a: No
q: are they in a group?
a: Yes
q: can we see the whole group?
a: Yes
q: are there three people in the group?
a: Yes
q: is it the person in the middle?
a: Yes