Athletes who are wearing numbered outfits are preparing to enter the water for a sporting event.
Athletes prepare to enter the water.
Athletes who are wearing numbered outfits are preparing to enter the water is a rephrasing of Athletes prepare to enter the water.
exists e1 e3 e2 p1 x1 x2 x3 x4.(n_water(x4) & Topic(e3,p1) & Actor(e3,x1) & v_prepare(e3) & exists e4 s1 x5.(for(e4,x5) & n_event(x5) & a_sporting(s1) & Theme(s1,x5) & Theme(e4,x4) & Actor(e4,x1) & v_enter(e4)) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & n_outfit(x3) & Theme(e1,x3) & v_number(e1) & (x1 = x2) & n_athlete(x1))
exists e1 p1 x1 x2.(n_water(x2) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_enter(e2)) & n_athlete(x1))