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.

Marius cranked the wheel and sped out onto the road, back in the direction of The Dome.
Plural

III Lights raced across the window.
Plural

The massive gates before us swung open with a groan of hinges badly in need of being oiled.

Plural