Young individuals in uniforms are gathering under the flags of several different countries.
The young people are winners of a sporting competition.
People can be gathered under flags for many reasons, not just a sporting competition.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_country(x5) & n_flag(x3) & under(e1,x3) & of(x3,x4) & -(x4 = x5) & n_country(x4) & a_several(s2) & Theme(s2,x4) & Actor(e1,x1) & v_gather(e1) & in(x1,x2) & n_uniform(x2) & n_individual(x1) & a_young(s1) & Theme(s1,x1))
exists p1 s1 x1.(n_people(x1) & a_young(s1) & Theme(s1,x1) & exists s2 x2 x3.((x1 = x2) & of(x2,x3) & n_competition(x3) & a_sporting(s2) & Theme(s2,x3) & n_winner(x2)))