A man with a towel on his head is shaving.
A man who just finished a shower is shaving.
Just because the man has a towel on his head does not mean he just finished showering.
exists e1 x1 x2 x3.(Actor(e1,x1) & v_shave(e1) & with(x1,x2) & on(x2,x3) & n_head(x3) & of(x3,x1) & n_male(x1) & n_towel(x2) & n_man(x1))
exists e1 e2 s1 x1 x2 x3.(Actor(e2,x1) & v_shave(e2) & a_just(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_finish(e1) & n_shower(x3) & (x1 = x2) & n_man(x1))