 Gertler (1999) argues that the best candidate for an analysis in the spirit of the Ability Hypothesis is to identify knowing what it is like to have an experience of red with the ability to recognize seeing-red experiences by their phenomenal quality and then goes on to attack this candidate: she points out that the ability to recognize seeing-red experiences by their phenomenal quality can be explained by the fact that I know what it is like to see red but not vice  versa.[3]