Parse this person name:

Stacey West (1833-1873, flourished 1856-1868)
user
first_name: Stacey
last_name: West
middle_names: []
temporal:
- start: 1833
  end: 1873
  type: life_span
- start: 1856
  end: 1868
  type: flourished
titles: []
extra_info: []
assistant