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 ":".
In
mice
,
p63
is
required
for
normal
skin
development
via
direct
transcription
of
the
membrane
protein
PERP
.
In:O
mice:other-biologything
,:O
p63:other-biologything
is:O
required:O
for:O
normal:O
skin:O
development:O
via:O
direct:O
transcription:O
of:O
the:O
membrane:O
protein:O
PERP:O
.:O