Parse this person name:

Amaro Expósito, 1377-1434, flourished 1397-1421
user
first_name: Amaro
last_name: Expósito
middle_names: []
temporal:
- start: 1377
  end: 1434
  type: life_span
- start: 1397
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant