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 ":".
PIAS
protein
's
interaction
with
STAT
signaling
requires
tyrosine
phosphorylation
of
STAT
proteins
.
PIAS:other-biologything
protein:O
's:O
interaction:O
with:O
STAT:other-biologything
signaling:O
requires:O
tyrosine:O
phosphorylation:O
of:O
STAT:other-biologything
proteins:O
.:O