With no explanation, label each line with "O", "other-educationaldegree", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
first
batch
of
M.Tech
began
in
August
2007
.
The:O
first:O
batch:O
of:O
M.Tech:other-educationaldegree
began:O
in:O
August:O
2007:O
.:O