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 ":".
NMDA
receptor
activation
(
by
glutamate
)
enhances
postsynaptic
Nitric
Oxide
Synthase
.
NMDA:other-biologything
receptor:O
activation:O
(:O
by:O
glutamate:O
):O
enhances:O
postsynaptic:O
Nitric:other-biologything
Oxide:other-biologything
Synthase:other-biologything
.:O