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.

[Q]: The rows of houses like headstones in a cemetery.
[A]: Plural


[Q]: There were streams and fields and even mountains beyond all of that.
[A]: Plural


[Q]: So did his colleagues in California.
[A]:
Plural