With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
1951
World
Series
matched
the
two-time
defending
champion
New
York
Yankees
against
the
New
York
Giants
,
who
had
won
the
National
League
pennant
in
a
thrilling
three-game
playoff
with
the
Brooklyn
Dodgers
on
the
legendary
home
run
by
Bobby
Thomson
(
the
Shot
Heard
'Round
the
World
)
.
The:O
1951:O
World:event-sportsevent
Series:event-sportsevent
matched:O
the:O
two-time:O
defending:O
champion:O
New:organization-sportsteam
York:organization-sportsteam
Yankees:organization-sportsteam
against:O
the:O
New:organization-sportsteam
York:organization-sportsteam
Giants:organization-sportsteam
,:O
who:O
had:O
won:O
the:O
National:organization-sportsteam
League:organization-sportsteam
pennant:O
in:O
a:O
thrilling:O
three-game:O
playoff:O
with:O
the:O
Brooklyn:organization-sportsteam
Dodgers:organization-sportsteam
on:O
the:O
legendary:O
home:O
run:O
by:O
Bobby:person-athlete
Thomson:person-athlete
(:O
the:O
Shot:O
Heard:O
'Round:O
the:O
World:O
):O
.:O