根据表格内容，判断对错，对的在题前的括号内画“√” ，错的画“×”。

Mary and Kate are sister. They just had a physical examination (体检). These are some of the results.

They are healthy.

( ) 1. Mary is Kate's sister.

( ) 2. Kate is older than Mary.

( ) 3. Mary has long and brown hair.

( ) 4. Mary is 10kg heavier than Kate.

( ) 5. Their eyes' colour are the same.