With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Borate
buffers
have
an
alkaline
buffering
capacity
in
the
8–10
range
.
Borate:other-chemicalthing
buffers:other-chemicalthing
have:O
an:O
alkaline:O
buffering:O
capacity:O
in:O
the:O
8–10:O
range:O
.:O