Concert goers enjoy a show.
A crowd of pensioners are sitting in the old people's home.
Concert goers are not pensioners at that moment.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & n_show(x3) & n_goer(x1) & (x1 = x2) & ne_nam_concert(x2))
exists e1 s1 x1 x2 x3 x4.(n_home(x4) & of(x4,x3) & n_people(x3) & a_old(s1) & Theme(s1,x3) & in(e1,x4) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_pensioner(x2) & n_crowd(x1))