问题描述：
一道用英语表达的数学题.
Tom,Peter,Lucy and Lily are brother and sister.I don't know how old each of them is.I only know one of them is 16,one of them is 14,one of the boys is 12 and one of the girls is 15,and I also know Peter is older than Lucy.But Lily isn't.
So Lucy is _______,Lily is ________,Peter is ________,and Tom is _______.
Tom,Peter,Lucy and Lily are brother and sister.I don't know how old each of them is.I only know one of them is 16,one of them is 14,one of the boys is 12 and one of the girls is 15,and I also know Peter is older than Lucy.But Lily isn't.
So Lucy is _______,Lily is ________,Peter is ________,and Tom is _______.
问题解答：
我来补答展开全文阅读