With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
said
that
he
had
used
Nittaku
Hammond
,
the
Tenergy
series
,
and
many
other
rubbers
for
his
backhand
.
It:O
is:O
said:O
that:O
he:O
had:O
used:O
Nittaku:organization-company
Hammond:organization-company
,:O
the:O
Tenergy:organization-company
series:O
,:O
and:O
many:O
other:O
rubbers:O
for:O
his:O
backhand:O
.:O