A brown dog with a white covering in its mouth
A dog recently back from the vet has a white covering in its mouth
A white covering in its mouth does not imply recently getting back from the vet.
exists s1 s2 x1 x2 x3.(a_topic(x1) & with(x1,x2) & in(x2,x3) & n_mouth(x3) & of(x3,x1) & n_thing(x1) & n_covering(x2) & a_white(s2) & Theme(s2,x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_mouth(x5) & of(x5,x3) & n_thing(x3) & n_vet(x3) & Theme(e1,x4) & Actor(e1,x1) & v_have(e1) & in(x4,x5) & n_covering(x4) & a_white(s2) & Theme(s2,x4) & r_recently(s1) & from(s1,x3) & Theme(s1,x2) & a_back(s1) & (x1 = x2) & n_dog(x1))