one man in a hat flips over another man back in the grass.
A man performs a flip.
A man who flips over another man is a man preforming a flip.
exists e1 x1 x2 x3 x4 x5.(n_grass(x5) & over(e1,x3) & in(x4,x5) & back(x3,x4) & n_thing(x4) & n_man(x3) & -(x3 = x1) & n_man(x1) & n_man(x1) & Actor(e1,x1) & v_flip(e1) & in(x1,x2) & n_hat(x2) & card_eq_1(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_flip(x2) & n_man(x1))