A boy standing in water is holding a yellow football.
A boy with a yellow football stands in water.
To say that someone is "with" some object, such as a yellow football, is another way of saying the person is holding the yellow football.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_hold(e1) & n_football(x4) & a_yellow(s1) & Theme(s1,x4) & in(x1,x3) & n_water(x3) & n_standing(x1) & of(x1,x2) & n_boy(x2))
exists s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & in(x2,x4) & n_water(x4) & n_stand(x2) & of(x2,x3) & n_football(x3) & a_yellow(s1) & Theme(s1,x2) & n_boy(x1))