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: Their footsteps rang out on the concrete floor.

A: Plural
****
Q: " Snare drums, report to the band room before school tomorrow.

A: Plural
****
Q: Inside the triangle, the pulsing created an unsettling feeling, like his insides were being pulled together.

A:
Singular
****