Two professional businessmen having a conversation.
Two business men have a conversation discussing the upcoming meeting.
Two professional businessmen is not two business men.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_conversation(x2) & n_businessman(x1) & a_professional(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e2 e1 s1 x1 x2 x3 x4 x5.(n_meeting(x5) & a_upcoming(s1) & Theme(s1,x5) & Theme(e2,x3) & Actor(e2,x1) & v_have(e2) & Theme(e1,x5) & Actor(e1,x4) & v_discuss(e1) & (x3 = x4) & n_conversation(x3) & n_man(x1) & of(x1,x2) & n_business(x2) & card_eq_2(x1))