You will be given a definition of a task first, then some input of the task.
Given a short bio of a person, find the minimal text span containing the date of birth of the person. The output must be the minimal text span that contains the birth date, month and year as long as they are present. For instance, given a bio like 'I was born on 27th of Decemeber 1990, and graduated high school on 23rd October 2008.' the output should be '27th of December 1990'.

Hopper was born on May 17, 1936, in Dodge City, Kansas, the son of Marjorie Mae (née Davis; July 12, 1917 – January 12, 2007) and James Millard Hopper (June 23, 1916 – August 7, 1982)
Output:
May 17, 1936