A man shoots a rifle while a dog looks on.
A dog runs away from a man shooting a rifle.
A dog can not both look on and runs away when a man shoots a rifle.
exists e1 p1 x1 x2.(exists e2 p2 x3.(exists s1.(Theme(s1,x3) & a_on(s1)) & Topic(e2,p2) & Actor(e2,x3) & v_look(e2) & n_dog(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_shoot(e1) & n_rifle(x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4.(from(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_shoot(e2) & n_rifle(x4) & (x2 = x3) & n_man(x2) & r_away(e1) & Actor(e1,x1) & v_run(e1) & n_dog(x1))