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 ":".
In
2010
,
MLB
began
an
inquiry
on
shipments
of
human
growth
hormone
received
by
Guillén
,
and
directed
the
Giants
to
keep
him
off
their
postseason
roster
.
In:O
2010:O
,:O
MLB:organization-sportsleague
began:O
an:O
inquiry:O
on:O
shipments:O
of:O
human:O
growth:O
hormone:O
received:O
by:O
Guillén:person-athlete
,:O
and:O
directed:O
the:O
Giants:organization-sportsteam
to:O
keep:O
him:O
off:O
their:O
postseason:O
roster:O
.:O