Choose your answer from options. Premise: "The dazzling white marble of Pisa's Duomo and leaning campanile is most breathtaking in the noonday sun, but late afternoon is the blessed moment for the brilliant mosaic facade of Orvieto's cathedral." If this premise is true, what does that tell us about whether it entails the hypothesis "Orvieto's cathedral was built on the command of pope Gregory I."?

Possible answers:
a). yes;
b). it is not possible to tell;
c). no;
b).