Parse this person name:

Sarah Branch (1709-1787, flourished 1734-1761)
user
first_name: Sarah
last_name: Branch
middle_names: []
temporal:
- start: 1709
  end: 1787
  type: life_span
- start: 1734
  end: 1761
  type: flourished
titles: []
extra_info: []
assistant