A group of girls wearing "Volunteer for Parks" t-shirt are standing outside a building.
Some Girls are standing outside a building.
A group of girls are some girls.
exists e1 p1 x1 x2 x3 x4 x5.(ne_nam_parks(x5) & ne_nam_volunteer(x4) & a_topic(x1) & for(e1,x5) & exists e2 x6 x7.(outside(e2,x7) & n_building(x7) & Actor(e2,x6) & v_stand(e2) & n_t-shirt(x6)) & that(x5,p1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & (x1 = x3) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists e1 x1 x2.(outside(e1,x2) & n_building(x2) & Actor(e1,x1) & v_stand(e1) & n_girl(x1))