52400
Researchers at Yale University and the National Institute of Standards and Technology argue artificial cells could be built that not only replicate the electrical behavior of electric eel cells , but also improve on them .
 organization: Yale University; organization: National Institute of Standards and Technology
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: Yale University, National Institute of Standards and Technology 
Answer:
 organization: Yale University; organization: National Institute of Standards and Technology