which sentence should be edited for pronoun clarity

the teacher told the class that she wanted their papers to be turned in by the end of the day on friday

the librarians received the box of new books and they immediately opened and unpacked it

on the way to the post office with donald, gerland realizedthat he forgot to check his email

while cindy and patricia were walking down the hall she noticed a sign on the teachers door

1 answer

The sentence that should be edited for pronoun clarity is:

"While Cindy and Patricia were walking down the hall she noticed a sign on the teacher's door."

The pronoun "she" could refer to either Cindy or Patricia, so it would be clearer to specify which one noticed the sign.