101995
The first practical fathometer ( literally " fathom measurer " ) , which determined water depth by measuring the time required for an echo to return from a high-pitched sound sent through the water and reflected from the sea floor , was invented by Herbert Grove Dorsey and patented in 1928 .
 person: Herbert Grove Dorsey
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: Herbert Grove Dorsey 
Answer:
 person: Herbert Grove Dorsey