65907
In earlier works on mathematical logic ( e.g. by Church ) , formulas referred to any strings of symbols and among these strings , well-formed formulas were the strings that followed the formation rules of ( correct ) formulas .
 person: Church
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: Church 
Answer:
 person: Church