A crowd watches two females wearing flotation devices jump off of a dock in to water.
Two females are jumping into the water.
A dock is in water.  Jumping off of a dock in to water is a rephrasing of jumping into water.
exists e1 e3 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(Theme(e3,x2) & Actor(e3,x1) & v_watch(e3) & Theme(e2,x4) & Actor(e2,x3) & v_wear(e2) & of(e1,x7) & to(x8,x9) & n_water(x9) & in(x7,x8) & n_thing(x8) & n_dock(x7) & r_off(e1) & Actor(e1,x6) & v_jump(e1) & (x4 = x6) & n_device(x4) & of(x4,x5) & n_flotation(x5) & (x2 = x3) & n_female(x2) & card_eq_2(x2) & n_crowd(x1))
exists e1 x1 x2.(n_water(x2) & into(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_female(x1) & card_eq_2(x1))