A girl in a costume participates in a parade.
A costumed individual marches in a parade.
The girl in a costume is an individual
exists e1 x1 x2 x3.(in(e1,x3) & n_parade(x3) & Actor(e1,x1) & v_participate(e1) & in(x1,x2) & n_costume(x2) & n_girl(x1))
exists s1 s2 x1 x2.(a_topic(x1) & in(x1,x2) & n_parade(x2) & n_march(x1) & a_individual(s2) & Theme(s2,x1) & a_costumed(s1) & Theme(s1,x1))