With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Harry
Hancock
performed
the
first
abdominal
surgery
for
appendicitis
in
1848
,
but
he
did
not
remove
the
appendix
.
Harry:person-other
Hancock:person-other
performed:O
the:O
first:O
abdominal:O
surgery:O
for:O
appendicitis:O
in:O
1848:O
,:O
but:O
he:O
did:O
not:O
remove:O
the:O
appendix:O
.:O