Photo is of a Scottish parade leader followed by his troupe, while they all march down the street.
The Scottish politician and his followers are parading down the street after their victory.
Parade leader may not be a politician and you do not know if there was a victory.
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 e1 s1 x1 x2 x3 x4 x5.(n_victory(x5) & of(x5,x2) & n_thing(x2) & n_street(x4) & n_follower(x3) & of(x3,x2) & n_male(x2) & n_politician(x2) & a_scottish(s1) & Theme(s1,x2) & after(e1,x5) & down(e1,x4) & Actor(e1,x1) & v_parade(e1) & subset_of(x3,x1) & subset_of(x2,x1))