Rules Questions

[Eric W. Jones]

It says in the rules that,

<G21> SCORING for opponents - ROBOTS may not HANG a GAME PIECE of an opposing
ALLIANCE. If this rule is violated a 10-point penalty will be assessed per infraction.

Also,

<G15> Double RINGERS - a RINGER can not be placed on a SPIDER LEG on which a RINGER is
already HANGING. If a ROBOT HANGS a RINGER on a SPIDER LEG that already has a
HANGING RINGER from the opposing ALLIANCE, the second RINGER will be ignored
when calculating the match score. If a ROBOT HANGS a RINGER on a SPIDER LEG that
already has a HANGING RINGER from their own ALLIANCE (for example, to prevent a
SPOILER from being placed on the SPIDER LEG), the two RINGERS will cancel each other
and both will be ignored when determining if the SPIDER LEG is SCORED.

My question is, if you place an opponent's ringer over another one of their ringers, is the first still negated?