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]: One agent, looking at the incoming stream of text messages, says, " They found a cell phone jammer and disabled it.
[A]: Singular


[Q]: The deep boom of the two shots, which had been batting to and fro among the mountains, died away.
[A]: Singular


[Q]: Looks like a bill. "
[A]:
Plural