A man drinking a beer with an intense stare.
A man challenges another man to a drinking contest.
Just because a man is drinking beer with an intense stare, does not mean the man challenges another man in a drinking contest.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_stare(x4) & a_intense(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_drink(e1) & n_beer(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_challenge(e1) & to(x2,x3) & n_contest(x3) & of(x3,x4) & n_drinking(x4) & n_man(x2) & -(x2 = x1) & n_man(x1) & n_man(x1))