a young man in an elaborate uniform.
A man is in the army.
Just because a man is in an elaborate uniform it does not mean he is in the army.
exists s1 s2 x1 x2.(a_topic(x1) & in(x1,x2) & n_uniform(x2) & a_elaborate(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_army(x2) & in(x1,x2) & n_man(x1))