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.

III Lights raced across the window.
Plural

His visage is indistinguishable beneath his hood, but his round eyes glow a pale green.
Singular

The dragon moved away and Dagmar stumbled, almost falling.

Singular