Parse this person name:

Polina Carsten, 1342-1382, flourished 1370-1377
user
first_name: Polina
last_name: Carsten
middle_names: []
temporal:
- start: 1342
  end: 1382
  type: life_span
- start: 1370
  end: 1377
  type: flourished
titles: []
extra_info: []
assistant