Parse this person name:

Karen Sheppard, 1687-1732, flourished 1706-1721
user
first_name: Karen
last_name: Sheppard
middle_names: []
temporal:
- start: 1687
  end: 1732
  type: life_span
- start: 1706
  end: 1721
  type: flourished
titles: []
extra_info: []
assistant