Men trying to drain the water from the grid.
Men are playing roulette
The men are either trying to drain water from the grid, or playing roulette.
exists e1 p1 x1 x2 x3 x4.(n_grid(x4) & n_water(x3) & a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_try(e1) & exists e2.(from(e2,x4) & Theme(e2,x3) & Actor(e2,x2) & v_drain(e2)) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_roulette(x2) & n_man(x1))