59553
Genealogy received a boost in the late 1970 s with the television broadcast of " Roots : The Saga of an American Family " by Alex Haley .
 media: Roots : The Saga of an American Family; person: Alex Haley
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Roots : The Saga of an American Family, Alex Haley 
Answer:
 media: Roots : The Saga of an American Family; person: Alex Haley