With no explanation, label each line with "building-library", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
settled
in
Tel
Aviv
,
where
he
directed
the
Sha'ar
Tzion
Library
and
taught
at
the
,
before
devoting
himself
entirely
to
research
in
1929
.
He:O
settled:O
in:O
Tel:location-GPE
Aviv:location-GPE
,:O
where:O
he:O
directed:O
the:building-library
Sha'ar:building-library
Tzion:building-library
Library:building-library
and:O
taught:O
at:O
the:O
,:O
before:O
devoting:O
himself:O
entirely:O
to:O
research:O
in:O
1929:O
.:O