With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
managed
to
reach
Catalonia
,
where
he
developed
an
intense
activity
underground
.
He:O
managed:O
to:O
reach:O
Catalonia:location-GPE
,:O
where:O
he:O
developed:O
an:O
intense:O
activity:O
underground:O
.:O