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.
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Question: The bag was used to collect some water and emptied to the pot but to out disappointment we met nothing in the pot. The _ is  watertight.

Answer: bag


Question: The doctor offered both herbs and pills to help with the pain, but the _ didn't work.

Answer: pills


Question: Mark wanted to paint the shutters and needed paintbrushes but didn’t need rollers because he found none of the _ at home.

Answer:
paintbrushes