Testator validly executes Will #1. Testator then validly executes Will #2, which expressly revokes Will #1. If subsequently Will #2 is revoked, under what circumstances will a California court admit extrinsic evidence of the testator's probable intent? Question 5 options: a) Never. b) Only if Will #2 is revoked by physical act. c) Only if Will #2 is revoked by a third testamentary instrument. d) In all situations, regardless of the manner of revocation