With no explanation, label each line with "person-soldier", "O", "event-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
William
was
granted
the
right
to
hold
a
four-day
fair
starting
on
the
eve
of
Ascension
Day
by
Henry
III
in
1250
.
William:person-soldier
was:O
granted:O
the:O
right:O
to:O
hold:O
a:O
four-day:O
fair:O
starting:O
on:O
the:O
eve:O
of:O
Ascension:event-other
Day:event-other
by:O
Henry:person-politician
III:person-politician
in:O
1250:O
.:O