Photo is of a Scottish parade leader followed by his troupe, while they all march down the street.
The Scottish parade leader is walking alone down the street.
If he is followed by his troupe, he is not walking alone.
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 s2 x1 x2 x3.(n_street(x3) & n_leader(x1) & of(x1,x2) & n_parade(x2) & a_scottish(s1) & Theme(s1,x1) & down(e1,x3) & a_alone(s2) & Manner(e1,s2) & Actor(e1,x1) & v_walk(e1))