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
travelled
by
train
to
Pietermaritzburg
where
he
started
collecting
.
He:O
travelled:O
by:O
train:O
to:O
Pietermaritzburg:location-GPE
where:O
he:O
started:O
collecting:O
.:O