A woman is waterskiing while being photographed by some men.
People are outdoors.
Waterskiing occurs outdoors.
exists e2 e1 x1 x2.(while(e1,e2) & Actor(e2,x2) & n_man(x2) & Theme(e2,x1) & v_photograph(e2) & Actor(e1,x1) & v_waterskie(e1) & n_woman(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_people(x1))