To answer to the best of his information all relevant questions put to him by the buyer in respect to the property or the title thereto.

To produce to the buyer on his request for examination all documents of title relating to the property which are in the seller’s possession or power.

To disclose to the buyer any material defect in the property or in the seller’s title thereto of which the seller is, and the buyer is not, aware, and which the buyer could not with ordinary' care discover