With no explanation, label each line with "organization-sportsteam", "O", "event-disaster", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
season
was
largely
overshadowed
by
the
Second
Ibrox
disaster
when
66
people
were
crushed
to
death
on
Stairway
13
of
Ibrox
Park
following
an
Old
Firm
game
on
2
January
1971
.
The:O
season:O
was:O
largely:O
overshadowed:O
by:O
the:O
Second:O
Ibrox:event-disaster
disaster:event-disaster
when:O
66:O
people:O
were:O
crushed:O
to:O
death:O
on:O
Stairway:O
13:O
of:O
Ibrox:location-park
Park:location-park
following:O
an:O
Old:organization-sportsteam
Firm:organization-sportsteam
game:O
on:O
2:O
January:O
1971:O
.:O