With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Some
people
may
experience
severe
orthostatic
hypotension
with
the
only
symptoms
being
confusion
or
extreme
fatigue
.
Some:O
people:O
may:O
experience:O
severe:O
orthostatic:O
hypotension:O
with:O
the:O
only:O
symptoms:O
being:O
confusion:O
or:O
extreme:O
fatigue:O
.:O