A man is standing behind a giant green machine.
A man is next to a machine that is loud.
A giant green machine is not necessarily loud.
exists e1 s1 s2 x1 x2.(behind(e1,x2) & n_machine(x2) & a_green(s2) & Theme(s2,x2) & a_giant(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists s1 s2 x1 x2 x3.(to(s1,x2) & Theme(s2,x3) & a_loud(s2) & (x2 = x3) & n_machine(x2) & Theme(s1,x1) & a_next(s1) & n_man(x1))