Girls are doing somersaults.
Girls fixing their hair.
Girls either have to be doing somersaults or fixing their hair.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_somersault(x2) & n_girl(x1))
exists e1 x1 x2.(n_hair(x2) & of(x2,x1) & n_thing(x1) & ne_nam_girls(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fix(e1))