A crowd of Asian people are walking on a busy street.
A group of people are using their legs as transportation.
Group is another way of saying crowd, and using their legs as transportation is a rephrasing of walking.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_street(x3) & a_busy(s2) & Theme(s2,x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & a_asian(s1) & Theme(s1,x2) & n_crowd(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_use(e1) & as(x3,x4) & n_transportation(x4) & n_leg(x3) & of(x3,x1) & n_thing(x1) & of(x1,x2) & n_people(x2) & n_group(x1))