two police ride on the same bike.
the police are outside
There is nothing to indicate that the police are outside.
exists s1 x1 x2 x3.(n_bike(x3) & a_same(s1) & Theme(s1,x3) & a_topic(x1) & on(x1,x3) & n_ride(x1) & of(x1,x2) & n_police(x2) & card_eq_2(x1))
exists s1 x1.(n_police(x1) & Theme(s1,x1) & a_outside(s1))