2 sentences

1. 你女儿是左撇子还是右撇子？

   nǐ nǚ'ér shì zuǒ​piě​zi hái​shi yòu​piě​zi?

   Is your daughter right or left-handed?

   Source: OpenSubtitles

2. 为什么有些人是左撇子，有些人是右撇子？

   wèi​shén​me yǒu​xiē​rén shì zuǒ​piě​zi, yǒu​xiē​rén shì yòu​piě​zi?

   Why are some people left-handed and others right-handed?

   Source: CCMatrix