With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
For
the
first
two
months
,
Schmidt
pulled
most
of
the
duty
behind
the
plate
for
the
Giants
.
For:O
the:O
first:O
two:O
months:O
,:O
Schmidt:person-athlete
pulled:O
most:O
of:O
the:O
duty:O
behind:O
the:O
plate:O
for:O
the:O
Giants:organization-sportsteam
.:O