A multitude of people in swim-wear play in the water in front of a white wall while people behind a row of bicycles look on.
A group of people play in the water, while other's watch.
A group of people play in the water because a multitude of people play in the water.
(x)
exists e1 s1 x1 x2 x3 x4.(n_water(x3) & while(e1,x4) & n_watch(x4) & a_'s(s1) & Theme(s1,x4) & r_other(x4) & in(e1,x3) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_people(x2) & n_group(x1))