A person is flying through the air attached to a board with a parachute.
A person performs air acrobatics for the festival.
Not all people in the air will be performing acrobatics at festivals
exists e1 e2 x1 x2 x3 x4 x5.(n_air(x2) & through(e1,x2) & with(e2,x5) & n_parachute(x5) & to(e2,x4) & n_board(x4) & Theme(e2,x3) & v_attach(e2) & (x2 = x3) & Actor(e1,x1) & v_fly(e1) & n_person(x1))
exists e1 x1 x2 x3 x4.(n_festival(x4) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & for(x2,x4) & n_acrobatics(x2) & of(x2,x3) & n_air(x3) & n_person(x1))