Parse this person name:

Brittany Sanders, 1740-1787, flourished 1757-1782
user
first_name: Brittany
last_name: Sanders
middle_names: []
temporal:
- start: 1740
  end: 1787
  type: life_span
- start: 1757
  end: 1782
  type: flourished
titles: []
extra_info: []
assistant