8059
Italians from the Corpo Truppe Volontarie served in these mixed Italo-Spanish Flechas ( Arrows ) units where the Italians provided the officers and technical personnel , while the Spanish served in the rank-and-file .
 organization: Corpo Truppe Volontarie; organization: Flechas
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Corpo Truppe Volontarie; organization: Flechas