Parse this person name:

Bradley Stone, 1317-1390, flourished 1340-1366
user
first_name: Bradley
last_name: Stone
middle_names: []
temporal:
- start: 1317
  end: 1390
  type: life_span
- start: 1340
  end: 1366
  type: flourished
titles: []
extra_info: []
assistant