The dogs are joined together with a red harness.
The dogs are running free.
Joined together and running free 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 e1 s1 x1.(n_dog(x1) & a_free(s1) & Manner(e1,s1) & Actor(e1,x1) & v_run(e1))