With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
protest
against
such
harsh
treatment
of
political
prisoners
,
Bhai
Parmanand
went
on
hunger
strike
for
two
months
.
In:O
protest:O
against:O
such:O
harsh:O
treatment:O
of:O
political:O
prisoners:O
,:O
Bhai:person-other
Parmanand:person-other
went:O
on:O
hunger:O
strike:O
for:O
two:O
months:O
.:O