18211
Matrices that can be decomposed as , that is , Gram matrices of some sequence of vectors ( columns of ) , are well understood - these are precisely positive semidefinite matrices .
 person: Gram
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: Gram 
Answer:
 person: Gram