Original sentence: <ref name="S01E02"> Penny has a brother and sister, and says she has a 13-year-old nephew, meaning she was roughly nine years old when he was born, given her own age.<ref name="S02E15"> When Penny was a child, she would even build a tractor engine on the farm.Her father always wanted a son, so he would toughen her up and play baseball with her
Edited sentence: Penny's father always wanted a son, so he would toughen her up and play baseball with her.She has a brother and sister, and says she has a 13-year-old nephew, meaning she was roughly nine years old when he was born, given her own age.When Penny was a child, she would even build a tractor engine on the farm