4283
MDS was founded in 1978 by a group led by Ahmed Mestiri , who withdrew from politics in 1992 .
 person: Ahmed Mestiri; organization: MDS
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Ahmed Mestiri, MDS 
Answer:
 person: Ahmed Mestiri; organization: MDS