A boy runs along a beach while a group of young girls watch.
A boy is running on the beach while girls watch.
The boy is running on the beach while the girls watch is the same thing as girls watch.
exists e1 s1 x1 x2 x3 x4 x5.(while(e1,x3) & of(x3,x4) & n_watch(x4) & of(x4,x5) & n_girl(x5) & a_young(s1) & Theme(s1,x4) & n_group(x3) & along(e1,x2) & n_beach(x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))
exists e1 p1 x1 x2.(n_beach(x2) & exists e2 x3.(Actor(e2,x3) & v_watch(e2) & n_girl(x3)) & while(e1,p1) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))