With no explanation, label each line with "O", "person-artist/author", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
2015
,
Shankar
resigned
from
teaching
at
Central
Connecticut
State
University
.
In:O
2015:O
,:O
Shankar:person-artist/author
resigned:O
from:O
teaching:O
at:O
Central:organization-education
Connecticut:organization-education
State:organization-education
University:organization-education
.:O