The dogs are joined together with a red harness.
Several dogs are on leashes.
Harness and leashes are different.
exists e1 s1 s2 x1 x2.(n_dog(x1) & with(e1,x2) & n_harness(x2) & a_red(s2) & Theme(s2,x2) & a_together(s1) & Manner(e1,s1) & Theme(e1,x1) & v_join(e1))
exists p1 s1 x1.(exists x2.(on(x1,x2) & n_leash(x2)) & n_dog(x1) & a_several(s1) & Theme(s1,x1))