Parse this person name:

Britt Sitters (1846-1894, flourished 1873-1889)
user
first_name: Britt
last_name: Sitters
middle_names: []
temporal:
- start: 1846
  end: 1894
  type: life_span
- start: 1873
  end: 1889
  type: flourished
titles: []
extra_info: []
assistant