With no explanation, label each line with "product-game", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
a
spinoff
of
``
Champions
``
,
the
``
Hero
System
``
is
considered
to
have
started
with
4th
edition
(
as
it
is
mechanically
identical
to
``
Champions
``
4th
edition
)
,
rather
than
on
its
own
with
a
1st
edition
.
As:O
a:O
spinoff:O
of:O
``:O
Champions:product-game
``:O
,:O
the:O
``:O
Hero:product-game
System:product-game
``:O
is:O
considered:O
to:O
have:O
started:O
with:O
4th:O
edition:O
(:O
as:O
it:O
is:O
mechanically:O
identical:O
to:O
``:O
Champions:product-game
``:O
4th:O
edition:O
):O
,:O
rather:O
than:O
on:O
its:O
own:O
with:O
a:O
1st:O
edition:O
.:O