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.

The tests show the radio is working fine, but I'm not getting reception on any channel.
Plural

The nurses gave them a lengthy list of places to try.
Plural

The guilt and uselessness in her eyes clawed at his heart.

Singular