Young children outside playing with computer junk on the ground.
The children are swimming.
The children can't be playing with computer junk on the ground and swimming at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(n_ground(x5) & a_topic(x1) & outside(x1,e1) & on(e1,x5) & with(e1,x3) & n_junk(x3) & of(x3,x4) & n_computer(x4) & Actor(e1,x2) & v_play(e1) & n_thing(x2) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(n_child(x1) & exists x2.((x1 = x2) & n_swimming(x2)))