A man with glasses and no shirt looks in the mirror as he shaves.
A man is shaving.
No shirt and looking into a mirror are necessary steps to shaving.
exists e1 p1 x1 x2 x3 x4.(n_male(x4) & n_mirror(x4) & exists e2.(Actor(e2,x4) & v_shave(e2)) & as(e1,p1) & in(e1,x4) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & -exists x5.(subset_of(x5,x2) & n_shirt(x5)) & subset_of(x3,x2) & n_glass(x3) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_shave(e1) & n_man(x1))