61335
The opposite has also been claimed , for example by Karl Popper , who held that such problems do exist , that they are solvable , and that he had actually found definite solutions to some of them .
 person: Karl Popper
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: Karl Popper 
Answer:
 person: Karl Popper