The dogs are joined together with a red harness.
2 dogs are preparing for a walk.
not all dogs on harnesses are preparing for a walk
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 x1 x2.(for(e1,x2) & n_walk(x2) & Actor(e1,x1) & v_prepare(e1) & n_dog(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))