13676
It was Osip Mandelstam , however , who produced the movement 's most distinctive and durable monument , the collection of poems entitled " Stone " ( 1912 ) .
 person: Osip Mandelstam
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: Osip Mandelstam 
Answer:
 person: Osip Mandelstam