An older man is adjusting his glasses.
The glasses are sliding off the man's face.
The glasses are sliding off a man's face doesn't mean he is a older man.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_adjust(e1) & n_glass(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_face(x3) & of(x3,x2) & n_man(x2) & n_glass(x1) & off(e1,x3) & Actor(e1,x1) & v_slide(e1))