Teenagers congregate outside a brick building
Teenagers are hanging out outside.
Congregate means hanging out.
exists e1 x1 x2 x3.(outside(e1,x2) & n_building(x2) & of(x2,x3) & n_brick(x3) & Actor(e1,x1) & v_congregate(e1) & n_teenager(x1))
exists e1 s1 s2 x1.(a_outside(s2) & Manner(e1,s2) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_hang(e1) & n_teenager(x1))