Parse this person name:

Pierina Guarana, 1903-1966, flourished 1921-1945
user
first_name: Pierina
last_name: Guarana
middle_names: []
temporal:
- start: 1903
  end: 1966
  type: life_span
- start: 1921
  end: 1945
  type: flourished
titles: []
extra_info: []
assistant