instruction:
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.
question:
Clearly, a notion she hadn't suspected.
answer:
Singular


question:
My father-in-law was so right when he asked me to wait a little with the police.
answer:
Singular


question:
" But any tsar will have no choice but to work with the church.
answer:

Singular