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.

Several minutes later, footsteps sounded across the wooden floor, and Noah joined me at the window.
Plural

His thumbs were tracing patterns on my face, and it was hard to think or form coherent responses.
Plural

The raven glanced at a garden gnome.

Singular