With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
coumarin
backbone
is
chosen
to
be
used
as
the
profluorophore
due
to
its
small
size
,
biocompatibility
,
and
its
ability
to
be
easily
manipulated
synthetically
.
The:O
coumarin:O
backbone:O
is:O
chosen:O
to:O
be:O
used:O
as:O
the:O
profluorophore:O
due:O
to:O
its:O
small:O
size:O
,:O
biocompatibility:O
,:O
and:O
its:O
ability:O
to:O
be:O
easily:O
manipulated:O
synthetically:O
.:O