A charitable trust arrangement in which a fixed income interest (worth at least 3% of the initial net FMV of the property paid in trust) passes at

A charitable trust arrangement in which a fixed income interest (worth at least 3% of the initial net FMV of the property paid in trust) passes at least annually for one or more non charitable beneficiaries and at the death of the last income beneficiary, the remainder interest passes in a qualified charity.

Which estate planning tool would be used in this scenario, CRUT, CRAT, pooled income fund or charitable lead trust?