An older man with a beard and hat is looking at us while he is holding a stick with his hand.
The man uses the stick to walk, as his knees are weak.
Sticks can be for purposes other than walking. The man's knees might be just fine, not weak.
exists e1 p1 s1 x1 x2 x3 x4 x6.(exists e2 x1 x5.(with(e2,x6) & n_male(x1) & Theme(e2,x5) & Actor(e2,x1) & v_hold(e2) & n_stick(x5)) & n_hand(x6) & of(x6,x1) & n_male(x1) & while(e1,p1) & at(e1,x1) & n_person(x1) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & n_hat(x4) & n_beard(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(n_knee(x3) & of(x3,x1) & n_male(x1) & n_stick(x2) & n_man(x1) & Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_use(e1) & exists e2 p2.(exists s1.(Theme(s1,x3) & a_weak(s1)) & as(e2,p2) & Actor(e2,x1) & v_walk(e2)))