70591
However , when I-73 crossed a border between two states , the federal law authorizing the road required that the two states agree that their sections meet .
 location: I-73
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: I-73 
Answer:
 location: I-73