With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
ATPase
-binding
region
of
Hsp90
is
currently
under
intense
study
,
because
it
is
the
principal
binding
site
of
drugs
targeting
this
protein
.
The:O
ATPase:other-biologything
-binding:O
region:O
of:O
Hsp90:other-biologything
is:O
currently:O
under:O
intense:O
study:O
,:O
because:O
it:O
is:O
the:O
principal:O
binding:O
site:O
of:O
drugs:O
targeting:O
this:O
protein:O
.:O