Three men drinking coffee sitting at a conference table.
The men are in a meeting.
Not all three men sitting at the conference table are in a meeting.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,e2) & at(e2,x4) & n_table(x4) & of(x4,x5) & n_conference(x5) & Actor(e2,x2) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_drink(e1) & n_coffee(x3) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
exists p1 x1.(n_man(x1) & exists x2.(in(x1,x2) & n_meeting(x2)))