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 ":".
p53
can
induce
transcription
of
MDM2
,
generating
a
negative
feedback
loop
.
p53:O
can:O
induce:O
transcription:O
of:O
MDM2:other-biologything
,:O
generating:O
a:O
negative:O
feedback:O
loop:O
.:O