Parse this person name:

Benjamin Yu (1906-1985, flourished 1926-1943)
user
first_name: Benjamin
last_name: Yu
middle_names: []
temporal:
- start: 1906
  end: 1985
  type: life_span
- start: 1926
  end: 1943
  type: flourished
titles: []
extra_info: []
assistant