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 ":".
The
first
``
count
''
in
Britain
was
Gratian
the
Elder
,
the
father
of
empero
r
Valentinian
I
.
The:O
first:O
``:O
count:O
'':O
in:O
Britain:location-GPE
was:O
Gratian:person-politician
the:person-politician
Elder:person-politician
,:O
the:O
father:O
of:O
empero:O
r:person-politician
Valentinian:person-politician
I:person-politician
.:O