62757
A theory was verified by Hans Bethe in 1939 showing that beta decay and quantum tunneling in the Sun 's core might convert one of the protons into a neutron and thereby producing deuterium rather than a diproton .
 person: Hans Bethe
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: Hans Bethe 
Answer:
 person: Hans Bethe