A man falls off a cow at the cattle drive.
a cow laughs as the man falls off
A man falling off a cow is not the same thing as a cow laughing
exists e1 s1 x1 x2 x3 x4.(n_drive(x3) & of(x3,x4) & n_cattle(x4) & at(e1,x3) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_cow(x2) & n_man(x1))
exists e1 p1 x1 x2.(n_man(x2) & exists e2 s1.(a_off(s1) & Manner(e2,s1) & Actor(e2,x2) & v_fall(e2)) & as(e1,p1) & Actor(e1,x1) & v_laugh(e1) & n_cow(x1))