With no explanation, label each line with "O", "person-scholar", "organization-education", "building-hospital", "other-educationaldegree", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Tyrrell
interned
at
the
University
of
Alberta
Hospital
and
then
went
on
to
earn
a
PhD
in
pharmacology
from
Queen
's
University
in
1972
.
Tyrrell:person-scholar
interned:O
at:O
the:O
University:building-hospital
of:building-hospital
Alberta:building-hospital
Hospital:building-hospital
and:O
then:O
went:O
on:O
to:O
earn:O
a:O
PhD:other-educationaldegree
in:other-educationaldegree
pharmacology:other-educationaldegree
from:O
Queen:organization-education
's:organization-education
University:organization-education
in:O
1972:O
.:O