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
emerging
scientific
revolution
in
Alexandria
was
ended
when
Ptolemy
VIII
Physcon
came
to
power
.
The:O
emerging:O
scientific:O
revolution:O
in:O
Alexandria:location-GPE
was:O
ended:O
when:O
Ptolemy:person-politician
VIII:person-politician
Physcon:person-politician
came:O
to:O
power:O
.:O