A large crowd is gathered outside and one woman is yelling.
A group of protestors engages with a woman inside an auditorium.
Not all crowds are composed of protestors; a crowd and a yelling woman does not mean either engages with the other; gathering outside doesn't indicate an auditorium and indicates the exact opposite of "inside".
They may not be protestors, and they stand outside not in auditorium
A large crowd doesn't have to be protesters and shouting outside an auditorium.