Parse this person name:

Alexandria Young (1731-1791, flourished 1760-1784)
user
first_name: Alexandria
last_name: Young
middle_names: []
temporal:
- start: 1731
  end: 1791
  type: life_span
- start: 1760
  end: 1784
  type: flourished
titles: []
extra_info: []
assistant