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 ":".
The
presence
of
water
in
the
solution
is
reportedly
necessary
;
the
electron
rich
amalgam
will
oxidize
aluminium
and
reduce
H+
from
water
,
creating
aluminium
hydroxide
(
Al
(
OH
)
3
)
and
hydrogen
gas
(
H2
)
.
The:O
presence:O
of:O
water:O
in:O
the:O
solution:O
is:O
reportedly:O
necessary:O
;:O
the:O
electron:O
rich:O
amalgam:O
will:O
oxidize:O
aluminium:O
and:O
reduce:O
H+:other-chemicalthing
from:O
water:O
,:O
creating:O
aluminium:other-chemicalthing
hydroxide:other-chemicalthing
(:O
Al:other-chemicalthing
(:other-chemicalthing
OH:other-chemicalthing
):other-chemicalthing
3:other-chemicalthing
):O
and:O
hydrogen:other-chemicalthing
gas:other-chemicalthing
(:O
H2:other-chemicalthing
):O
.:O