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 rows of houses like headstones in a cemetery.
Plural

There weren't any signs of children, no shoes or toys scattered about.
Plural

The strips continued licking at the air like tiny solar flares, raging with fire but not burning up in the least.

Plural