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 ":".
Its
anion
is
called
glycocholate
.
Its:O
anion:O
is:O
called:O
glycocholate:other-chemicalthing
.:O