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 ":".
Isoleucine
(
symbol
Ile
or
I
)
is
an
α-amino
acid
that
is
used
in
the
biosynthesis
of
proteins
.
Isoleucine:other-chemicalthing
(:O
symbol:O
Ile:other-chemicalthing
or:O
I:other-chemicalthing
):O
is:O
an:O
α-amino:other-chemicalthing
acid:other-chemicalthing
that:O
is:O
used:O
in:O
the:O
biosynthesis:O
of:O
proteins:O
.:O