问题描述：
1. May is 12,Mary is10. 2. May and Mary are sisters.（排序）↓
3.May is 2 years older than Mary.
4.She's only 130cm tall.Mary is about 136cm tall.
5.But she’s shorter than Mary.
3.May is 2 years older than Mary.
4.She's only 130cm tall.Mary is about 136cm tall.
5.But she’s shorter than Mary.
问题解答：
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