With no explanation, label each line with "location-GPE", "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Poulsen
signed
a
five-year
contract
with
the
German
club
.
Poulsen:person-athlete
signed:O
a:O
five-year:O
contract:O
with:O
the:O
German:location-GPE
club:O
.:O