With no explanation, label each line with "O", "person-athlete", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
March
he
lost
to
Wolfgang
in
Premier
British
Wrestling
.
In:O
March:O
he:O
lost:O
to:O
Wolfgang:person-athlete
in:O
Premier:organization-other
British:organization-other
Wrestling:organization-other
.:O