TASK DEFINITION: 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.
PROBLEM: The leader of the band of urchins offered a pert salute, then moving forward he eyed Gideon in a knowing manner.

SOLUTION: Singular

PROBLEM: I couldn't see Russ anymore, couldn't even hear his screams over the grinding of the massive machine.

SOLUTION: Singular

PROBLEM: The other members of the crew circled the space, and she tried to ignore the heavy silence.

SOLUTION:
Plural