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 ":".
In
2001
,
Ross
left
the
series
and
was
replaced
by
Jason
Jarrett
.
In:O
2001:O
,:O
Ross:person-athlete
left:O
the:O
series:O
and:O
was:O
replaced:O
by:O
Jason:person-athlete
Jarrett:person-athlete
.:O