Parse this person name:

Karen Carpenter (1874-1953, flourished 1899-1921)
user
first_name: Karen
last_name: Carpenter
middle_names: []
temporal:
- start: 1874
  end: 1953
  type: life_span
- start: 1899
  end: 1921
  type: flourished
titles: []
extra_info: []
assistant