13391
The song " Thanks for the Memory " , written for the February 1938 film " The Big Broadcast of 1938 " by Leo Robin and Ralph Rainger and performed by Bob Hope and Shirley Ross had proved very popular .
 person: Leo Robin; person: Ralph Rainger; person: Bob Hope; person: Shirley Ross
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: Leo Robin, Ralph Rainger, Bob Hope, Shirley Ross 
Answer:
 person: Leo Robin; person: Ralph Rainger; person: Bob Hope; person: Shirley Ross