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 ":".
There
have
also
been
reports
of
improvement
with
trihexyphenidyl
and
valproic
acid
.
There:O
have:O
also:O
been:O
reports:O
of:O
improvement:O
with:O
trihexyphenidyl:other-biologything
and:O
valproic:other-biologything
acid:other-biologything
.:O