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.

The email, as it was open and apparently unfinished, could have easily been a clue as to the whereabouts of General White and his family.
Singular

Love fortified her weakness.
Singular

The only other option was my birthday suit as he'd confiscated all my other clothes and hidden them somewhere within the massive penthouse he called home.

Singular