51082
The charge of the resulting ions is a major factor in the strength of ionic bonding , e.g. a salt CA is held together by electrostatic forces roughly four times weaker than CA according to Coulombs law , where C and A represent a generic cation and anion respectively .
 person: Coulombs
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: Coulombs 
Answer:
 person: Coulombs