A man with mismatched shoes sits in front of an entrance.
The man has no shoes.
If one has no shoes then his shoes cannot be mismatched.
exists e1 s1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_entrance(x4) & n_front(x3) & Actor(e1,x1) & v_sit(e1) & with(x1,x2) & n_shoe(x2) & a_mismatched(s1) & Theme(s1,x2) & n_man(x1))
exists x1.(n_man(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_shoe(x2)))