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

Answer: Singular


Question: All though it wasn't very long, it tickled his temples and made him feel itchy.

Answer: Plural


Question: I checked the batteries of the recorder in my hand, making sure to tuck a few extra ones in my pocket just in case.

Answer:
Plural