61488
The most important of these was the principle that came to be called Ampère 's law , which states that the mutual action of two lengths of current-carrying wire is proportional to their lengths and to the intensities of their currents .
 person: Ampère
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: Ampère 
Answer:
 person: Ampère