213968
Patents Jevans holds several invention patents in the U.S. , including : Mechanism for efficient private bulk messaging , Mechanism for rendering scenes using an object drawing subsystem , Quality control mechanism for three-dimensional graphics rendering , and Multipass graphics rendering method and apparatus with re-traverse flag .
 person: Jevans
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: Jevans 
Answer:
 person: Jevans