A crowd enjoying a concert.
The band's reunion tour is a huge success.
Just because there is a crowd enjoying a concert, it does not necessarily mean that the concert that they are enjoying is a band's reunion tour or that it is a huge success.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_concert(x3) & (x1 = x2) & n_crowd(x1))
exists p1 x1 x2 x3.(n_tour(x2) & of(x2,x3) & n_reunion(x3) & of(x2,x1) & n_band(x1) & exists s1 x4.((x2 = x4) & n_success(x4) & a_huge(s1) & Theme(s1,x4)))