230046
James M. Robins is an epidemiologist and biostatistician best known for advancing methods for drawing causal inference s from complex observational studies and randomized trial s , particularly those in which the treatment varies with time .
 person: Robins
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: Robins 
Answer:
 person: Robins