With no explanation, label each line with "O", "other-award", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1991
,
the
Royal
Society
gave
him
their
Sylvester
Medal
``
for
his
many
contributions
to
number
theory
and
in
particular
his
solution
of
the
famous
problem
concerning
approximating
algebraic
numbers
by
rationals
.
''
In:O
1991:O
,:O
the:O
Royal:organization-other
Society:organization-other
gave:O
him:O
their:O
Sylvester:other-award
Medal:other-award
``:O
for:O
his:O
many:O
contributions:O
to:O
number:O
theory:O
and:O
in:O
particular:O
his:O
solution:O
of:O
the:O
famous:O
problem:O
concerning:O
approximating:O
algebraic:O
numbers:O
by:O
rationals:O
.:O
'':O