90113
For most of its course the river forms the boundary between Pike County and Clark County .
 location: Pike; location: Clark County
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Pike, Clark County 
Answer:
 location: Pike; location: Clark County