A rollerblade athlete takes a big jump while performing a trick.
An extreme athlete gets air.
A rollerblade athlete is an extreme athlete, and gets air during a big jump.
exists e1 e2 s1 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_perform(e2) & n_trick(x4) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_jump(x3) & a_big(s1) & Theme(s1,x3) & n_athlete(x1) & of(x1,x2) & n_rollerblade(x2))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_air(x2) & n_athlete(x1) & a_extreme(s1) & Theme(s1,x1))