A young man presents an unknown object to photographer.
A photographer tries to identify an unknown object.
The photographer might not want to try to identify the object.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_present(e1) & to(x2,x3) & n_photographer(x3) & n_object(x2) & a_unknown(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_identify(e2) & n_object(x2) & a_unknown(s1) & Theme(s1,x2)) & n_photographer(x1))