56786
On 30 March 2014 , he was elected to preside over ECOWAS .
 organization: ECOWAS
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: ECOWAS 
Answer:
 organization: ECOWAS