Parse this person name:

Shannon Riley, 1512-1575, flourished 1534-1555
user
first_name: Shannon
last_name: Riley
middle_names: []
temporal:
- start: 1512
  end: 1575
  type: life_span
- start: 1534
  end: 1555
  type: flourished
titles: []
extra_info: []
assistant