Parse this person name:

Phillip Young (1454-1496, flourished 1477-1491)
user
first_name: Phillip
last_name: Young
middle_names: []
temporal:
- start: 1454
  end: 1496
  type: life_span
- start: 1477
  end: 1491
  type: flourished
titles: []
extra_info: []
assistant