The expensive leather sofa in Leigh's condominium unit was damaged by a water leak. Leigh's condo insurance uses the "single entity" basis. Assuming the damage exceeds any applicable deductible, what property insurance, if any, should apply to Leigh's claim for damage to the sofa?

$($Search Chapter $1)$

a$.$ Leigh's unit$-$owners HO $6$ policy

b$.$ No property insurance will respond, as this is a property damage liability loss.

c$.$ The condominium association's policy

d$.$ The loss assessment endorsement to Leigh's HO $6$ policy