Parse this person name:

Marta Stein, 1267-1335, flourished 1286-1312
user
first_name: Marta
last_name: Stein
middle_names: []
temporal:
- start: 1267
  end: 1335
  type: life_span
- start: 1286
  end: 1312
  type: flourished
titles: []
extra_info: []
assistant