Problem: Donner Contracting completes construction of an office park in July 2004. In October, Donner sells the office park to Prancer Industries. Shortly after the purchase, a section of the roof collapses. Prancer subsequently discovers that Donner deliberately concealed evidence of dangerous structural flaws in the roof during the negotiation. Prancer's claim against Donner for the cost of fixing the roof would be excluded under Donner's CGL policy due to which part of the "damage to property" exclusion? Provide a minimum of two scholarly references.