A very large group of people walk around wearing summer clothes.
The people are outdoors.
People walk around doesn't imply that they are outdoors.
exists e1 e2 s1 x1 x2 x3 x4.(around(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & n_clothes(x3) & of(x3,x4) & n_summer(x4) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1) & r_very(x1))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))