※ 引述《Timzy (创世纪)》之铭言：
: 题目: Anybody entering an auditorium after a performance has begun
: is bound to disrupt the act
Anybody ﹝entering an auditorium (after a performance has begun)﹞
is bound to disrupt the act.
省略句(或分词构句)： who enters → entering
Anybody﹝﹞ is bound to disrupt the act.