In this task, you are given a sentence with a missing word that can be an object, a person, and/or an action. Fill in the blank with a plausible word. Although each sentence has many correct answers, you only have to write one answer.

[Q]: PersonX finally met ___
[A]: friend


[Q]: PersonX sets the ___ in motion
[A]: dominos


[Q]: PersonX offers ___ on this book when ordered
[A]:
signatures