With no explanation, label each line with "O", "organization-sportsleague", "organization-sportsteam", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Furthermore
,
because
the
playoff
format
was
also
changed
to
ensure
exclusive
intradivisional
play
for
the
first
two
rounds
of
the
2021
Stanley
Cup
playoffs
,
any
postseason
rematch
between
Dallas
and
Tampa
Bay
will
take
place
no
later
than
the
second
round
,
making
this
series
the
first
Stanley
Cup
Finals
since
1967
Stanley
Cup
Finals
(
which
preceded
the
1967
NHL
expansion
)
for
which
a
rematch
in
the
following
year
's
Finals
will
be
impossible
due
to
League
realignment
.
Furthermore:O
,:O
because:O
the:O
playoff:O
format:O
was:O
also:O
changed:O
to:O
ensure:O
exclusive:O
intradivisional:O
play:O
for:O
the:O
first:O
two:O
rounds:O
of:O
the:O
2021:O
Stanley:event-sportsevent
Cup:event-sportsevent
playoffs:O
,:O
any:O
postseason:O
rematch:O
between:O
Dallas:organization-sportsteam
and:O
Tampa:organization-sportsteam
Bay:organization-sportsteam
will:O
take:O
place:O
no:O
later:O
than:O
the:O
second:O
round:O
,:O
making:O
this:O
series:O
the:O
first:O
Stanley:event-sportsevent
Cup:event-sportsevent
Finals:O
since:O
1967:O
Stanley:event-sportsevent
Cup:event-sportsevent
Finals:O
(:O
which:O
preceded:O
the:O
1967:O
NHL:organization-sportsleague
expansion:O
):O
for:O
which:O
a:O
rematch:O
in:O
the:O
following:O
year:O
's:O
Finals:O
will:O
be:O
impossible:O
due:O
to:O
League:O
realignment:O
.:O