A man is shining shoes.
A man steals shoes and collects them.
shining is contradictory to steals
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_shine(e1) & n_shoe(x2) & n_man(x1))
exists e2 e1 x1 x2 x3.(Theme(e2,x1) & Actor(e2,x3) & v_collect(e2) & n_thing(x1) & n_man(x3) & Theme(e1,x2) & Actor(e1,x1) & v_steal(e1) & n_shoe(x2) & n_man(x1))