Parse this person name:

Joshua Rivers (1832-1883, flourished 1861-1874)
user
first_name: Joshua
last_name: Rivers
middle_names: []
temporal:
- start: 1832
  end: 1883
  type: life_span
- start: 1861
  end: 1874
  type: flourished
titles: []
extra_info: []
assistant