Parse this person name:

ريان مهنا, 1850-1899, flourished 1870-1887
user
first_name: ريان
last_name: مهنا
middle_names: []
temporal:
- start: 1850
  end: 1899
  type: life_span
- start: 1870
  end: 1887
  type: flourished
titles: []
extra_info: []
assistant