Esther Agrees to Lease an Apartment from John

Esther agrees to lease an apartment from John.Before the signing of the contract, Esther asks John if the toilets in the apartment are all working properly because she is very particular about her toilets.John assures her that they are all working properly.There is no reference to the toilets in the written contract.After moving into the apartment, Esther finds that none of the toilets work properly.Which of the following is most likely to be a consequence?

A) John is in breach of a collateral contract and Esther is entitled to damages.
B) John has breached a condition of the lease and Esther is entitled to terminate the contract.
C) John has committed the tort of negligence and Esther is entitled to damages.
D) Esther is not entitled to any remedy: the lease was a written and signed contract and the parol evidence rule prevents John's verbal assurance from being included as a term of the lease.