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 ":".
Vanadium
redox
batteries
are
a
type
of
flow
battery
.
Vanadium:other-chemicalthing
redox:O
batteries:O
are:O
a:O
type:O
of:O
flow:O
battery:O
.:O