Brown dog in a pink sweater runs on yellow grass.
The dog is wearing  a sweater.
A dog in a sweater is mentioned in both sentences.
exists e1 s1 s2 s3 x1 x2 x3.(on(e1,x3) & n_grass(x3) & a_yellow(s3) & Theme(s3,x3) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_sweater(x2) & a_pink(s2) & Theme(s2,x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_sweater(x2))