Tessa Really Likes to Play Video Games on Saturdays,but Her

Tessa really likes to play video games on Saturdays,but her parents will let her play video games only if all the dishes are washed.Consequently,every Saturday morning Tessa has the table cleared and the dishes washed as soon as everyone has finished breakfast.Which statement best describes this situation

A)  Playing video games is a negative reinforcer for doing the dishes. 
B)  Doing the dishes is a negative reinforcer for playing video games. 
C)  Doing the dishes is a positive reinforcer for playing video games. 
D)  Playing video games is a positive reinforcer for doing the dishes.