With no explanation, label each line with "O", "organization-politicalparty", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
developments
put
pressure
on
the
SPD
to
do
something
about
its
social
image
.
These:O
developments:O
put:O
pressure:O
on:O
the:O
SPD:organization-politicalparty
to:O
do:O
something:O
about:O
its:O
social:O
image:O
.:O