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: Both rats gave a polite nod at their name.

A: Plural
****
Q: The marine layer was far off the coast, giving the sun the opportunity to shine and the temperature to reach the high seventies.

A: Singular
****
Q: Another black suited agent approached.

A:
Singular
****