Two people dressed up like the Ghostbusters standing on the sidewalk.
The people are outside.
Not all people in Ghostbusters outfits stand on a sidewalk are outside.
exists e1 s1 x1 x2 x3 x4.(n_sidewalk(x4) & n_standing(x2) & (x2 = x3) & ne_geo_ghostbusters(x3) & a_up(s1) & Manner(e1,s1) & like(e1,x2) & on(x2,x4) & Actor(e1,x1) & v_dress(e1) & n_people(x1) & card_eq_2(x1))
exists s1 x1.(n_people(x1) & Theme(s1,x1) & a_outside(s1))