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 museum's full of carvings just like it.

SOLUTION: Singular

PROBLEM: The cockpit rocked again, throwing him against his harness.

SOLUTION: Singular

PROBLEM: There is wisdom in it and insight. "

SOLUTION:
Singular