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: Auto
sales
hit
17.2
million
units
,
exactly
as
analyst
forecasts
(
which
were
down
month
to
month
and
up
year
to
year
)
.
Answer: 
Auto:O
sales:O
hit:O
17.2:O
million:O
units:O
,:O
exactly:O
as:O
analyst:O
forecasts:O
(:O
which:O
were:O
down:O
month:O
to:O
month:O
and:O
up:O
year:O
to:O
year:O
):O
.:O