In the list of tokens, identify 'Person', 'Location', and 'Organisation' and label each accordingly. If the entity spans multiple tokens, use the prefix B-PER, B-LOC, or B-ORG for the first token, and I-PER, I-LOC, or I-ORG for the subsequent tokens of that entity. The beginning of each separate entity should always be labeled with a B-PER, B-LOC, or B-ORG prefix. If the token does not fit into any of the three named categories, or is not a named entity, label it as 'O'. Each line should contain one token and its corresponding label, separated by a colon. Do not combine tokens on your own. The format for each line should be: 'token:label'.

Text: A
woman
on
the
Hong
Kong
public
-
transport
system
dealt
with
her
dead
phone
by
crying
and
screaming
for
help
Answer: 
A:O
woman:O
on:O
the:O
Hong:B-LOC
Kong:I-LOC
public:O
-:O
transport:O
system:O
dealt:O
with:O
her:O
dead:O
phone:O
by:O
crying:O
and:O
screaming:O
for:O
help:O