6187
It was written by " A. P. R. Marshall and J. H. W. Lloyd " ( Andrew Marshall and John Lloyd ) and produced by Geoffrey Perkins .
 person: R. Marshall; person: Lloyd; person: Andrew Marshall; person: John Lloyd; person: Geoffrey Perkins
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:
 person: R. Marshall; person: Lloyd; person: Andrew Marshall; person: John Lloyd; person: Geoffrey Perkins