A dog is staring at a red ball coming towards him.
The dog is dead.
The dog cannot be staring at anything if it is dead
exists e2 e1 s1 x1 x2 x3.(at(e1,x2) & towards(e2,x1) & n_male(x1) & Actor(e2,x3) & v_come(e2) & (x2 = x3) & n_ball(x2) & a_red(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stare(e1) & n_dog(x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_dead(s1))