With no explanation, label each line with "building-library", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
construction
of
Grand
Central
Terminal
and
the
erection
of
the
New
York
Public
Library
Main
Branch
also
were
ongoing
during
this
decade
and
would
be
completed
soon
after
.
The:O
construction:O
of:O
Grand:building-other
Central:building-other
Terminal:building-other
and:O
the:O
erection:O
of:O
the:O
New:building-library
York:building-library
Public:building-library
Library:building-library
Main:building-library
Branch:building-library
also:O
were:O
ongoing:O
during:O
this:O
decade:O
and:O
would:O
be:O
completed:O
soon:O
after:O
.:O