6583
The activities of the company have always concentrated in oil refining , which remains the core business of the group and the main production site of the group is the Sarroch refinery , one of six supersites in Europe , situated in a favourable position for the receipt of crude oil and in proximity of the sales of finished products .
 location: Sarroch
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: Sarroch