Chelsea , 16 , was at President Bill Clinton 's side as he rode the rails through parts of West Virginia , Kentucky and Ohio , and was introduced at every stop .
<response> <person>Chelsea</person> , 16 , was at President <person>Bill Clinton</person> 's side as he rode the rails through parts of <location>West Virginia</location> , <location>Kentucky</location> and <location>Ohio</location> , and was introduced at every stop . </response>