7866
The neighborhood follows William Penn 's original grid layout for the city , with many one-lane and pedestrian side streets added later as the population became more dense .
 person: William Penn
Please list all entity words in the text that fit the category.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} 
Answer:
 person: William Penn