Parse this person name:

Clarissa Ebert (1905-1953, flourished 1929-1948)
user
first_name: Clarissa
last_name: Ebert
middle_names: []
temporal:
- start: 1905
  end: 1953
  type: life_span
- start: 1929
  end: 1948
  type: flourished
titles: []
extra_info: []
assistant