A man talking to a crowd at a meeting
the man is trying to sell them his book
Just because a man talking to a crowd at a meeting does not necessary that he is trying to sell them his book
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_meeting(x4) & to(e1,x3) & n_crowd(x3) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2 x3.(n_thing(x2) & n_book(x3) & of(x3,x2) & n_male(x2) & n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2.(Recipient(e2,x2) & Theme(e2,x3) & Actor(e2,x1) & v_sell(e2)))