Kids riding the subway
Kids are in the subway car
Being in a subway car implies the intent to ride the subway car.
exists e1 x1 x2 x3.(n_subway(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_kid(x1))
exists p1 x1 x2 x3.(n_car(x2) & of(x2,x3) & n_subway(x3) & in(x1,x2) & n_kid(x1))