Which sentences have vague pronouns? Check all that apply.
A:The police officer chased the criminal through the streets until he tripped and fell.
B:The player is running with the ball and it is exciting.
C:Javier has several board games but no one to play them with.
D:Lydia met up with Olivia at the library after she finished her research.
E:My film project is due tomorrow, and I just started it.