Parse this person name:

Anna Larson (1208-1284, flourished 1237-1248)
user
first_name: Anna
last_name: Larson
middle_names: []
temporal:
- start: 1208
  end: 1284
  type: life_span
- start: 1237
  end: 1248
  type: flourished
titles: []
extra_info: []
assistant