A group of young people are gathered.
youth group gathered
a group of young people is a youth group
exists e1 s1 x1 x2.(Theme(e1,x1) & v_gather(e1) & of(x1,x2) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_gather(e1) & n_group(x1) & of(x1,x2) & n_youth(x2))