With no explanation, label each line with "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
in
May
2015
,
after
previously
existing
as
Cambridge
Futsal
Club
.
in:O
May:O
2015:O
,:O
after:O
previously:O
existing:O
as:O
Cambridge:organization-sportsteam
Futsal:organization-sportsteam
Club:organization-sportsteam
.:O