Three men in red shirts push rakes.
Some old men rake their yards
People could push rakes anywhere, not just their yards.  Not all people are old.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_push(e1) & n_rake(x3) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1) & card_eq_3(x1))
exists s1 s2 x1 x2 x3.(a_topic(x1) & n_yard(x1) & a_their(s2) & Theme(s2,x1) & of(x1,x3) & n_rake(x3) & of(x1,x2) & n_man(x2) & a_old(s1) & Theme(s1,x1))