With no explanation, label each line with "O", "building-hospital", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1957
he
was
a
demonstrator
in
pathology
at
St
Thomas
's
Hospital
,
where
he
worked
under
William
Sargant
.
In:O
1957:O
he:O
was:O
a:O
demonstrator:O
in:O
pathology:O
at:O
St:building-hospital
Thomas:building-hospital
's:building-hospital
Hospital:building-hospital
,:O
where:O
he:O
worked:O
under:O
William:person-other
Sargant:person-other
.:O