With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
starting
the
season
at
second
,
he
moved
over
to
third
when
the
Sox
traded
George
Kell
to
the
Chicago
White
Sox
.
After:O
starting:O
the:O
season:O
at:O
second:O
,:O
he:O
moved:O
over:O
to:O
third:O
when:O
the:O
Sox:organization-sportsteam
traded:O
George:person-athlete
Kell:person-athlete
to:O
the:O
Chicago:organization-sportsteam
White:organization-sportsteam
Sox:organization-sportsteam
.:O