No penalties have been given. While retreating, Fencer X parries Fencer Y’s attack and ripostes, touching Y on the valid surface, which is registered on the machine. X retreats then fall; Y’s remise arrives on the valid surface, which is registered on the machine. What should the Referee do?
a. Award a touch for X.
b. Award a touch for Y; X receives a YELLOW CARD.
c. Annul all touches; X receives a YELLOW CARD

If no penalties have been given. While retreating, Fencer X parries Fencer Y’s attack and ripostes, touching Y on the valid surface, which is registered on the machine. X retreats then fall; Y’s remise arrives on the valid surface, which is registered on the machine the referee should a ward a touch for X.

STEP-BY-STEP EXPLANATION:

a. Award a touch for X.

If no penalties have been given. While retreating, Fencer X parries Fencer Y’s attack and ripostes, touching Y on the valid surface, which is registered on the machine. X retreats then fall; Y’s remise arrives on the valid surface, which is registered on the machine the referee should a ward a touch for X.