<s>
Red	B-Application
Alert	I-Application
is	O
an	O
Apple	B-Device
II	I-Device
shoot	O
'	O
em	O
up	O
written	O
by	O
Olaf	O
Lubeck	O
and	O
published	O
by	O
Broderbund	O
in	O
1981	O
.	O
</s>
<s>
Red	B-Application
Alert	I-Application
is	O
a	O
game	O
in	O
which	O
the	O
player	O
defends	O
against	O
attacking	O
aliens	O
.	O
</s>
