Men walking in Scottish parade.
A Scottish parade is happening.
Walking in a Scottish parade is the same as a parade is happening.
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_parade(x3) & (x3 = x4) & ne_geo_scottish(x4) & n_walking(x1) & of(x1,x2) & n_man(x2))
exists e1 s1 x1.(Actor(e1,x1) & v_happen(e1) & n_parade(x1) & a_scottish(s1) & Theme(s1,x1))