With no explanation, label each line with "O", "organization-sportsleague", "organization-sportsteam", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
This
remained
the
last
grand
slam
hit
by
an
American
League
pitcher
until
Félix
Hernández
of
the
Seattle
Mariners
accomplished
the
same
feat
June
23
,
2008
in
a
game
against
the
New
York
Mets
.
This:O
remained:O
the:O
last:O
grand:O
slam:O
hit:O
by:O
an:O
American:organization-sportsleague
League:organization-sportsleague
pitcher:O
until:O
Félix:person-athlete
Hernández:person-athlete
of:O
the:O
Seattle:organization-sportsteam
Mariners:organization-sportsteam
accomplished:O
the:O
same:O
feat:O
June:O
23:O
,:O
2008:O
in:O
a:O
game:O
against:O
the:O
New:organization-sportsteam
York:organization-sportsteam
Mets:organization-sportsteam
.:O