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]: 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.
[A]: bag


[Q]: The sick man took tissues from the box to blow his nose and put them in the waste basket until the  _ was empty.
[A]: box


[Q]: We take our trailer when we go camping.  We can store all the food and supplies. We didn't go to the store to get the _ this time.
[A]:
supplies