Objects in the image:
category: tie
category: person
category: person
category: person
category: tie
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it in left?
a: Yes
q: is it person?
a: Yes
q: is with specs receiving the book?
a: No
q: is only hand showing?
a: No
q: is head alone shown in front?
a: Yes
q: is it leftmost?
a: Yes
q: person ??
a: Yes
q: obama ??
a: No
q: left ??
a: Yes
q: wearing specs ??
a: N/A
q: in the crowd?
a: Yes
q: hands with camera?
a: No
q: head immediately next to hands with camera?
a: Yes