Many bikes are parked next to one another.
a group of parked bikes are falling from the sky
Bikes that are parked cannot be falling from the sky.
exists e1 s1 x1 x2.(to(e1,x2) & n_thing(x2) & card_eq_1(x2) & a_another(s1) & Theme(s1,x2) & r_next(e1) & Theme(e1,x1) & v_park(e1) & n_bike(x1) & n_quantity(x1))
exists e1 s1 x1 x2 x3.(n_sky(x3) & from(e1,x3) & Actor(e1,x1) & v_fall(e1) & of(x1,x2) & n_bike(x2) & a_parked(s1) & Theme(s1,x2) & n_group(x1))