With no explanation, label each line with "O", "person-artist/author", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1999
,
25
years
after
the
end
of
their
relationship
,
Maynard
auctioned
a
series
of
letters
Salinger
had
written
her
.
In:O
1999:O
,:O
25:O
years:O
after:O
the:O
end:O
of:O
their:O
relationship:O
,:O
Maynard:person-artist/author
auctioned:O
a:O
series:O
of:O
letters:O
Salinger:person-other
had:O
written:O
her:O
.:O