In this task you are given a sentence. You must judge whether subject of the main clause is singular or plural. Label the instances as "Singular" or "Plural" based on your judgment.

Q: Finally the credits rolled on the screen.

A: Plural
****
Q: The deep boom of the two shots, which had been batting to and fro among the mountains, died away.

A: Singular
****
Q: Then his pulse soared when a trailing step brushed against the bedding draped over the mannequin torsos.

A:
Singular
****