You need to answer a given question containing a blank (_). Your answer must be one of the two objects mentioned in the question, for example "trophy" and "suitcase". Your answer must not contain a word that is not present in the question. Please don't use articles (e.g., the, a) before the answer.

The infection blocked his nasal passage, but the medicine cleared it up, the _ was powerless against it.
infection

Andy's new house had faulty pipes and outlets, so he called an electrician to fix the _ first.
outlets

The house we rented had bed bugs which was very disgusting.  So we refused to pay for the _ .

house