Parse this person name:

Silvia Saracino (1231-1284, flourished 1251-1275)
user
first_name: Silvia
last_name: Saracino
middle_names: []
temporal:
- start: 1231
  end: 1284
  type: life_span
- start: 1251
  end: 1275
  type: flourished
titles: []
extra_info: []
assistant