Photo is of a Scottish parade leader followed by his troupe, while they all march down the street.
Scottish people are on the street.
A Scottish parade leader and his troupe are Scottish people.
exists p1 x1 x7.(n_street(x7) & ne_org_photo(x1) & exists e1 p2 s1 x2 x3 x4 x5.(of(x1,x2) & all x6.((x6 = x2) -> exists e2.(down(e2,x7) & Actor(e2,x6) & v_march(e2))) & n_thing(x2) & while(e1,p2) & Actor(e1,x5) & n_troupe(x5) & of(x5,x2) & n_male(x2) & Theme(e1,x4) & v_follow(e1) & (x2 = x4) & n_leader(x2) & of(x2,x3) & n_parade(x3) & a_scottish(s1) & Theme(s1,x2)))
exists p1 s1 x1 x2.(n_street(x2) & on(x1,x2) & n_people(x1) & a_scottish(s1) & Theme(s1,x1))