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.

[Q]: Bob planted a row of trees rather than a row of shrubs because the _ offered more privacy.
[A]: trees


[Q]: We went shopping for a new mattress and had trouble deciding between one that is firm or soft, so picked the _ one that felt like clouds.
[A]: soft


[Q]: It took a lot more skill to build the bookcase than to build the shelf, because the _ was more complicated.
[A]:
bookcase