A man in a green shirt is cutting the hair from a sheep.
The man is riding a horse.
The man is either cutting hair from a sheep or riding a horse; he cannot do both at the same time.
exists e1 s1 x1 x2 x3 x4.(n_hair(x3) & from(e1,x4) & n_sheep(x4) & Theme(e1,x3) & Actor(e1,x1) & v_cut(e1) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2))