A group of people are riding on a rocket-themed amusement park ride.
The group is at an amusement park.
Riding a ride indicates that they are at an amusement park.
exists e1 s1 x1 x2 x3 x4 x5.(on(e1,x3) & n_ride(x3) & of(x3,x5) & n_park(x5) & of(x3,x4) & n_amusement(x4) & a_rocket-themed(s1) & Theme(s1,x3) & Actor(e1,x1) & v_ride(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1.(n_group(x1) & exists x2 x3.(at(x1,x2) & n_park(x2) & of(x2,x3) & n_amusement(x3)))