A man with gray hair and glasses looks downwards.
The man with gray hair looks downwards.
gray hair is a rephrasing  of gray hair and glasses.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x5) & Actor(e1,x1) & v_look(e1) & n_downward(x5) & with(x1,x2) & subset_of(x4,x2) & n_glass(x4) & subset_of(x3,x2) & n_hair(x3) & a_gray(s1) & Theme(s1,x3) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & Theme(e1,x3) & Actor(e1,x1) & v_look(e1) & n_downward(x3) & with(x1,x2) & n_hair(x2) & a_gray(s1) & Theme(s1,x2))