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: How did the other board members not know what Neilson truly was ? "

SOLUTION: Plural

PROBLEM: Alexis headed back to her room.

SOLUTION: Plural

PROBLEM: Animals loved Rob and he loved them back - she'd seen that on the Cruz ranch.

SOLUTION:
Plural