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

[EX Q]: The food in the bowl could not be eaten by anyone and we decided to go for the milk. The _ is fresh.
[EX A]: milk

[EX Q]: Gavin reads a book before going to bed instead of watching TV, because the _ helps him fall asleep.
[EX A]:
book