With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Dick
Stuart
took
over
as
the
team
's
starting
first
baseman
,
leaving
Herrnstein
to
be
used
mostly
as
a
pinch
hitter
.
Dick:O
Stuart:O
took:O
over:O
as:O
the:O
team:O
's:O
starting:O
first:O
baseman:O
,:O
leaving:O
Herrnstein:person-athlete
to:O
be:O
used:O
mostly:O
as:O
a:O
pinch:O
hitter:O
.:O