With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Akt
negatively
regulates
pro-apoptotic
proteins
by
direct
phosphorylation
.
Akt:O
negatively:O
regulates:O
pro-apoptotic:O
proteins:O
by:O
direct:other-chemicalthing
phosphorylation:other-chemicalthing
.:O