Problem: If "John was jogging through the park when he saw a man juggling watermelons. He was very impressive.", is "John was very impressive." correct?

Answer: no

Problem: If "When the sponsors of the bill got to the town hall, they were surprised to find that the room was full of opponents. They were very much in the minority.", is "The sponsors were very much in the minority." correct?

Answer: yes

Problem: If "The customer walked into the bank and stabbed one of the tellers. He was immediately taken to the police station.", is "The teller was immediately taken to the police station." correct?

Answer:
no