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 ":".
Soon
,
tourism
to
Philae
became
common
.
Soon:O
,:O
tourism:O
to:O
Philae:location-GPE
became:O
common:O
.:O