Two people are playing a water sport.
The people are near water.
if they are playing a water sport, that is near water
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_sport(x2) & of(x2,x3) & n_water(x3) & n_people(x1) & card_eq_2(x1))
exists p1 x1.(n_people(x1) & exists s1 x2.((x1 = x2) & n_water(x2) & a_near(s1) & Theme(s1,x2)))