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.

Jane was starring at the sea until the sun set behind it and now just the _ is invisible.
sun

Jim was glad to replace his treadmill with a stationary bike since the _ was old.
treadmill

The animals had lumps that were more dangerous than the zits, since the _ were smaller.

zits