Boston Bruins and Pittsburgh Penguins playing ice hockey.
They are in the middle of a grassy field.
The location is either an ice hockey rink or grassy field.
exists e1 x1 x2 x3 x4 x5 x6 x7.(ne_geo_penguins(x4) & (x4 = x5) & ne_geo_pittsburgh(x5) & ne_geo_bruins(x2) & (x2 = x3) & ne_geo_boston(x3) & Theme(e1,x6) & Actor(e1,x1) & v_play(e1) & n_hockey(x6) & of(x6,x7) & n_ice(x7) & subset_of(x4,x1) & subset_of(x2,x1))
exists p1 x1 x2.(n_middle(x2) & n_thing(x1) & exists s1 x3.(in(x1,x2) & of(x2,x3) & n_field(x3) & a_grassy(s1) & Theme(s1,x3)))