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

Guessing-game dialogue about one of the objects:
q: a person  ??
a: No
q: a train ??
a: No
q: a bag ??
a: Yes
q: black trolley bag ??
a: No
q: with the lady in blue ??
a: No
q: oh sorry hes a guy?
a: No
q: on the bridge ??
a: Yes
q: blue bag person wearing white and black?
a: Yes