With no explanation, label each line with "other-disease", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
the
United
States
,
chlorination
of
the
water
kills
Hepatitis
A
virus
that
enters
the
water
supply
.
In:O
the:O
United:location-GPE
States:location-GPE
,:O
chlorination:O
of:O
the:O
water:O
kills:O
Hepatitis:other-disease
A:other-disease
virus:O
that:O
enters:O
the:O
water:O
supply:O
.:O