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:
Part of me didn't want to, but I couldn't help but talk to her.
answer:
Singular

question:
As he took one of the final rapids of the Saint Lawrence, almost within sight of his home, his canoe swamped and he drowned.
answer:
Singular

question:
" If using one's own blood enhanced the immune system so much reproduction became impossible what would happen if we used other blood instead ?
answer:
Singular