A large group, wearing pink shirts, waves to onlookers.
A crowd gesticulates.
A large group can be called a crowd. Gesticulates is the same as wave.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & rel(x3,x4) & to(x4,x5) & n_onlooker(x5) & n_wave(x4) & n_shirt(x3) & a_pink(s2) & Theme(s2,x3) & (x1 = x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1.(Actor(e1,x1) & v_gesticulate(e1) & n_crowd(x1))