Objects in the image:
category: person
category: train
category: dining table
category: person
category: bench
category: dining table
category: person
category: bench
category: bench
category: dining table
category: dining table
category: person
category: person
category: train
category: dining table
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a flag?
a: No
q: is it the train with red on it?
a: No
q: is it a picnic table?
a: Yes
q: is it the one with a lot showing, right hand side, away from people?
a: No
q: is it the table beside the boy in blue?
a: N/A
q: is there a girl at the table?
a: No