With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Alfredo
Salazar
(
born
in
San
Juan
Puerto
Rico
)
is
an
economist
by
education
and
a
banker
by
profession
.
Alfredo:person-scholar
Salazar:person-scholar
(:O
born:O
in:O
San:O
Juan:O
Puerto:O
Rico:O
):O
is:O
an:O
economist:O
by:O
education:O
and:O
a:O
banker:O
by:O
profession:O
.:O