Undressed man putting pants on.
A man putting his pants on.
The fact that the man is putting his pants on implies that he is putting pants on
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & a_on(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_put(e1) & n_pants(x3) & (x1 = x2) & n_man(x1) & a_undressed(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_on(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_put(e1) & n_pants(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_man(x1))