With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
According
to
a
possibly
apocryphal
legend
,
impressed
by
her
performance
during
this
period
,
Iltutmish
nominated
Razia
as
his
heir
apparent
after
returning
to
Delhi
.
According:O
to:O
a:O
possibly:O
apocryphal:O
legend:O
,:O
impressed:O
by:O
her:O
performance:O
during:O
this:O
period:O
,:O
Iltutmish:person-politician
nominated:O
Razia:person-politician
as:O
his:O
heir:O
apparent:O
after:O
returning:O
to:O
Delhi:location-GPE
.:O