Two people stand by the water's edge.
A group of golfers are trying to retrieve a ball lost in the water hazard.
Not all people are golfers.  Standing by the water does not imply they want to retrieve a ball lost in the water hazard.
exists e1 x1 x2 x3.(n_edge(x3) & of(x3,x2) & n_water(x2) & by(e1,x3) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_2(x1))
exists e1 p1 x1 x2 x5 x6.(n_hazard(x5) & of(x5,x6) & n_water(x6) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e3 e2 x3 x4.(Theme(e3,x3) & Actor(e3,x1) & v_retrieve(e3) & in(e2,x5) & Theme(e2,x4) & v_lose(e2) & (x3 = x4) & n_ball(x3)) & of(x1,x2) & n_golfer(x2) & n_group(x1))