With no explanation, label each line with "O", "organization-other", "art-painting", "location-GPE", "person-artist/author", "organization-education", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
The
Art
Institute
's
American
Art
collection
contains
some
of
the
best-known
works
in
the
American
canon
,
including
Edward
Hopper
's
``
Nighthawks
``
,
Grant
Wood
's
``
American
Gothic
``
,
and
Mary
Cassatt
's
``
The
Child
's
Bath
``
.
The:organization-education
Art:organization-education
Institute:organization-education
's:O
American:organization-other
Art:organization-other
collection:O
contains:O
some:O
of:O
the:O
best-known:O
works:O
in:O
the:O
American:location-GPE
canon:O
,:O
including:O
Edward:person-artist/author
Hopper:person-artist/author
's:O
``:O
Nighthawks:art-painting
``:O
,:O
Grant:person-artist/author
Wood:person-artist/author
's:O
``:O
American:art-painting
Gothic:art-painting
``:O
,:O
and:O
Mary:person-artist/author
Cassatt:person-artist/author
's:O
``:O
The:art-painting
Child:art-painting
's:art-painting
Bath:art-painting
``:O
.:O