11070
On 7 May Benfica 's president , Luís Filipe Vieira , came out contesting the alleged positive result , as proper procedure was not followed for the tests ( the 72-hour delay between collection of the sample and the test for anomalous quantities of different substances might have led to sample degradation and false positives ) .
 organization: Benfica; person: Luís Filipe Vieira
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: Benfica; person: Luís Filipe Vieira