With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
present
tense
is
formed
from
the
personal
pronoun
,
the
infinitive
stem
,
and
the
present
endings
:
The:O
present:O
tense:O
is:O
formed:O
from:O
the:O
personal:O
pronoun:O
,:O
the:O
infinitive:O
stem:O
,:O
and:O
the:O
present:O
endings:O
::O