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 ":".
In
1582
the
books
that
had
been
shipped
to
Aachen
for
safety
,
returned
to
Maastricht
.
In:O
1582:O
the:O
books:O
that:O
had:O
been:O
shipped:O
to:O
Aachen:location-GPE
for:O
safety:O
,:O
returned:O
to:O
Maastricht:location-GPE
.:O