Premise: The marble that Michelangelo chose for his Moses and Piet?  is now hewn, at $3,000 a cubic meter, for replicas at Caesar's Palace in Las Vegas, tombstones in the Los Angeles Forest Lawn cemetery, and countless homes of oil-rich sheiks.

Hypothesis: Moses and Piet deals with matters of the afterlife which makes it apt for tombstones.
Relation: neutral