> Sex assignment is the discernment of an infant's sex, usually at birth. The question is not whether you can briefly look between someone's legs and determine

> Sex assignment is the discernment of an infant's sex, usually at birth. The question is not whether you can briefly look between someone's legs and determine their sex. We know (per the article) that this can fail as much as 0.05% of the time. The question was what is Caster Semenya's biological sex: the answer is male. This is, in fact, clear.