(Premakumar, paragraph 82, Holden v. Canadian National Railway (1990), 14 C.H.R.R. D/12 at paragraph D/15.) [26] In fact, evidence of discrimination has inherent problems. ###>82; Holden c. Compagnie des chemins de fer nationaux du Canada (1990), 14 C.H.R.R. D/12, au para.