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 Input:
The weightlifter felt a lot more tough when working with barbells than with kettlebells, because the _ worked more complex muscle groups.

Ex Output:
barbells

Ex Input:
Sally needed to get a new pot to plant her ficus tree, because the _ was growing fast.

Ex Output:
tree

Ex Input:
In order the grow new buds use pruning shears on flowers and stems. Use the shears if the _ are dying.

Ex Output:
stems