Two girls are walking past a storefront that is closed.
Two girls are sking.
The girls cannot be walking and sking at the same time.
exists e2 e1 x1 x2 x3.(past(e1,x2) & Theme(e2,x3) & v_close(e2) & (x2 = x3) & n_storefront(x2) & Actor(e1,x1) & v_walk(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_sking(e1) & n_girl(x1) & card_eq_2(x1))