She is a [French [history teacher]].
She is a [[French history] teacher].
※ 引述《bylan0820 (工作)》之銘言：
: 請教各位大大一個樹狀結構
: 清大101語概考古題中:
: Draw two tree diagrams to illustrate the ambiguity:
: She is a French history teacher.
: 請問用X bar要怎麼畫呢?
: (知道應該是很基本題 但是真的想不透...感激不盡 )