Child 1
1. Final voiced stop deletion rule
formula:
C →Φ∕＿＿＿＃
[+voiced]
[+stop]
in words:
Word-final voiced stops are deleted. OR in other words,
Delete word-final voiced stops.
2. Final voiced (alveolar) fricative devoicing rule
formula:
/z/→[s]∕＿＿＃
in words:
/z/ is realized as [s] word-finally. OR in other words,
/z/ becomes [s] word-finally.
Child 2（這個死小孩，不是他亂講，就是課本打錯了）
bead [bi:t]『比較』合理好解，我們先假設是課本打錯了
formula:
C→[-voiced]∕＿＿＿＃
in words:
Word-final (voiced) consonants become voiceless.
（to be honest, if bead [bi:], 我還暫時想不出要怎麼解）
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關於這個問題，基本上，我們一向秉持著審慎而樂觀的態度，
目前正持續不斷地檢討和研究當中，相信在可預見的未來，
必定能給各位一個滿意的答覆，大家辛苦了，謝謝大家！
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