She is a [French [history teacher]].
She is a [[French history] teacher].
※ 引述《bylan0820 (工作)》之铭言：
: 请教各位大大一个树状结构
: 清大101语概考古题中:
: Draw two tree diagrams to illustrate the ambiguity:
: She is a French history teacher.
: 请问用X bar要怎么画呢?
: (知道应该是很基本题 但是真的想不透...感激不尽 )