Parse this person name:

Beth Marsh (1345-1414, flourished 1365-1390)
user
first_name: Beth
last_name: Marsh
middle_names: []
temporal:
- start: 1345
  end: 1414
  type: life_span
- start: 1365
  end: 1390
  type: flourished
titles: []
extra_info: []
assistant