Given the task definition, example input & output, solve the new input case.
In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.
Example: They both let out relieved breaths at the doctor's words.
Output: Plural
"relieved breaths" is the object of the sentence which is plural.

New input case for you: He stroked her temple with one finger, but that was all it took to give her a thin thread of calm to grasp on to.
Output:
Singular