A dog jumping upside down in front of a man.
The cat is purring.
A dog jumping is not the same as a cat purring.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & of(x3,x4) & n_man(x4) & n_front(x3) & a_down(s2) & Manner(e1,s2) & a_upside(s1) & Manner(e1,s1) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_dog(x1))
exists e1 x1.(n_cat(x1) & Actor(e1,x1) & v_purr(e1))