With no explanation, label each line with "O", "organization-religion", "person-scholar", "location-GPE", "art-writtenart", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Historian
Robert
Payne
on
page
142
in
``
The
History
of
Islam
``
said
``
The
more
powerful
Muslims
and
the
spread
of
Islam
were
knocking
on
Europe
's
door
.
Historian:O
Robert:person-scholar
Payne:person-scholar
on:O
page:O
142:O
in:O
``:O
The:art-writtenart
History:art-writtenart
of:art-writtenart
Islam:art-writtenart
``:O
said:O
``:O
The:O
more:O
powerful:O
Muslims:organization-religion
and:O
the:O
spread:O
of:O
Islam:organization-religion
were:O
knocking:O
on:O
Europe:location-GPE
's:O
door:O
.:O