Group of girls waving to a crowd.
The girls are waving.
"The girls are waving" is a rephrasing of "girls waving".
exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & to(e1,x3) & n_crowd(x3) & Actor(e1,x2) & v_wave(e1) & (x1 = x2) & n_girl(x1))
exists e1 x1.(n_girl(x1) & Actor(e1,x1) & v_wave(e1))