3136
Six of the class were sent to Serbia in 1916 , two of them returning in 1921 ; and 16 of them were shipped to Salonika in 1917 , though the first batch of eight was lost at sea .
 location: Serbia; location: Salonika
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:
 location: Serbia; location: Salonika