Parse this person name:

Karen Watson, 1890-1959, flourished 1913-1924
user
first_name: Karen
last_name: Watson
middle_names: []
temporal:
- start: 1890
  end: 1959
  type: life_span
- start: 1913
  end: 1924
  type: flourished
titles: []
extra_info: []
assistant