Fans watching a basketball game indoors at a stadium.
Fans watching a basketball game championship final indoors at a  local stadium.
Not every basketball game is the championship final. Just because it is at a stadium doesn't necessarily imply that is is a local stadium.
exists e1 x1 x2 x3 x4 x5.(at(e1,x5) & n_stadium(x5) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_indoor(x2) & of(x2,x4) & n_game(x4) & of(x2,x3) & n_basketball(x3) & n_fan(x1))
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(at(e1,x6) & n_stadium(x6) & a_local(s2) & Theme(s2,x6) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_indoor(x2) & a_final(s1) & Theme(s1,x2) & of(x2,x5) & n_championship(x5) & of(x2,x4) & n_game(x4) & of(x2,x3) & n_basketball(x3) & n_fan(x1))