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.

[EX Q]: I used a battery to take pictures with the camera and put them in an album until the _ needed charging.
[EX A]: battery

[EX Q]: The man poured hot water from the kettle into the teapot until the _ was empty.
[EX A]: kettle

[EX Q]: Because of her disfigurement, Jenny preferred looking out windows instead of into mirrors, because _ were reflective.
[EX A]:
mirrors