Two surfers preparing to enter the water for a competition.
The people are in the water.
Preparing to enter the water does not necessarily mean in the water.
exists e1 p1 x1 x2 x3.(n_water(x3) & a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_prepare(e1) & exists e2 x4.(for(e2,x4) & n_competition(x4) & Theme(e2,x3) & Actor(e2,x2) & v_enter(e2)) & (x1 = x2) & n_surfer(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_water(x2) & n_people(x1) & in(x1,x2))