With no explanation, label each line with "O", "organization-religion", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Systematic
theological
study
of
Christian
ethics
is
called
moral
theology
.
Systematic:O
theological:O
study:O
of:O
Christian:organization-religion
ethics:O
is:O
called:O
moral:O
theology:O
.:O