A man wearing an astro boy shirt and a green hat cleans a pool.
A man with no hat cleans his pool.
One man wears a green hat while another man wears no hat.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(Theme(e2,x8) & Actor(e2,x1) & v_clean(e2) & n_pool(x8) & subset_of(x7,x1) & n_hat(x7) & a_green(s1) & Theme(s1,x7) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_shirt(x4) & of(x4,x6) & n_boy(x6) & of(x4,x5) & n_astro(x5) & (x2 = x3) & n_man(x2))
exists x1 x3.(-exists e1 x2.(Theme(e1,x3) & Actor(e1,x1) & v_clean(e1) & with(x1,x2) & n_hat(x2)) & n_pool(x3) & of(x3,x1) & n_male(x1) & n_man(x1))