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'.

[EX Q]: Paul John McGann was born in Liverpool on 14 November 1959, into a Roman Catholic family of Irish origin
[EX A]: 14 November 1959

[EX Q]: Dormer was born in Reading, Berkshire, England, on 11 February 1982, daughter of Gary Dormer and wife Claire Richards and sister of Mark Dormer and Samantha Dormer
[EX A]: 11 February 1982

[EX Q]: Cotillard was born on 30 September 1975 in Paris and grew up around Orléans in an artistically inclined household
[EX A]:
30 September 1975