A dog with a brown spot around one eye walking in front of a black dog.
A black dog follows another dog back home.
Just because the black dog follows another dog home it does not mean it is the one with a brown spot.
exists s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & around(x1,x3) & in(x3,x5) & of(x5,x6) & n_dog(x6) & a_black(s2) & Theme(s2,x6) & n_front(x5) & n_walking(x3) & of(x3,x4) & n_eye(x4) & card_eq_1(x3) & with(x1,x2) & n_spot(x2) & a_brown(s1) & Theme(s1,x2) & n_dog(x1))
exists e1 s1 x1 x2 x3.(r_back(e1) & Time(e1,x3) & n_home(x3) & Theme(e1,x2) & Actor(e1,x1) & v_follow(e1) & n_dog(x2) & -(x2 = x1) & n_dog(x1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))