32390
In 1853 – 57 Eugenio Barsanti and Felice Matteucci invented and patented an engine using the free-piston principle that was possibly the first 4-cycle engine .
 person: Eugenio Barsanti; person: Felice Matteucci
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: Eugenio Barsanti, Felice Matteucci 
Answer:
 person: Eugenio Barsanti; person: Felice Matteucci