With no explanation, label each line with "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
is
because
Sikhs
were
loyal
to
the
British
and
had
been
beaten
in
the
Anglo
Sikh
wars
.
This:O
is:O
because:O
Sikhs:O
were:O
loyal:O
to:O
the:O
British:O
and:O
had:O
been:O
beaten:O
in:O
the:O
Anglo:event-attack/battle/war/militaryconflict
Sikh:event-attack/battle/war/militaryconflict
wars:event-attack/battle/war/militaryconflict
.:O