A man doing a trick on a wakeboard
A man eating his own foot.
A man eating his own foot cannot be done on a wakeboard.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & on(x3,x4) & n_wakeboard(x4) & n_trick(x3) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & n_foot(x3) & a_own(s1) & Theme(s1,x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_man(x1))