没有足够的座位给所有客人——我必须告诉组织者。

There aren't enough seats for all the guests - I must tell the ___organisers.

据组织者说，他们售出了超过5000张票。

According to the ___organisers, they sold over 5,000 tickets.

她是活动的主要组织者。

She is the main ___organiser of the event.