What Was District Court Judge Clyde Cahill's Basis for His

What was district court Judge Clyde Cahill's basis for his legal justification for not implementing a federally mandated sentence against an offender in possession of crack cocaine?

A) Sentencing disparities between crack and cocaine powder resulted in a violation of the Fourth Amendment's protection against illegal search and seizure.
B) Sentencing disparities between crack and cocaine powder resulted in a violation of the Fourteenth Amendment's equal protection clause on the basis of racial discrimination.
C) All of the above
D) None of the above