A large group is gathered for a banquet.
A large group of people gathered for a musical concert.
A musical concert cannot be considered a banquet.
exists e1 s1 x1 x2.(for(e1,x2) & n_banquet(x2) & Theme(e1,x1) & v_gather(e1) & n_group(x1) & a_large(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & for(e1,x4) & n_concert(x4) & a_musical(s2) & Theme(s2,x4) & Theme(e1,x3) & v_gather(e1) & (x2 = x3) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))