81226
Diego de Covarrubias and Luis de Molina developed a subjective theory of value and prices , which asserted that the usefulness of a good varied from person to person , so just prices would arise from mutual decisions in free commerce , barring the distorting effects of monopoly , fraud , or government intervention .
 person: Diego de Covarrubias; person: Luis de Molina
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: Diego de Covarrubias, Luis de Molina 
Answer:
 person: Diego de Covarrubias; person: Luis de Molina