A brown dog is laying on its back on the grass with a ball in its mouth.
There is a dog eating food off the table.
The dog can't be laying on its back and eating food simultaneously. The dog is either on the grass or on the table.
exists e1 s1 x1 x2 x3 x4 x5.(n_grass(x3) & with(e1,x4) & in(x4,x5) & n_mouth(x5) & of(x5,x1) & n_thing(x1) & n_thing(x1) & n_ball(x4) & on(e1,x3) & on(e1,x2) & n_back(x2) & of(x2,x1) & Actor(e1,x1) & v_lay(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists p1 x1 x5.(n_table(x5) & exists e1 x2 x3 x4.((x1 = x2) & off(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_eat(e1) & n_food(x4) & (x2 = x3) & n_dog(x2)))