The dog crouched on the orange rug and stared at the tennis ball.
The dog is eating a treat.
The dog cannot be staring at the tennis ball and eating a treat simultaneously.
exists e2 e1 x1 x2 x3 x4 x5.(n_ball(x4) & of(x4,x5) & n_tennis(x5) & n_dog(x1) & n_rug(x2) & of(x2,x3) & n_orange(x3) & at(e2,x4) & Actor(e2,x1) & v_stare(e2) & on(e1,x2) & Actor(e1,x1) & v_crouch(e1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_treat(x2))