In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.

Q: Now they would exact their revenge.

A: Singular
****
Q: Once he got inside, he found a cavern that opened into a room about twenty feet long and ten feet wide.

A: Singular
****
Q: We explored little islands and then came back.

A:
Plural
****