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]: Christian Charles Philip Bale was born on 30 January 1974 in Haverfordwest, Pembrokeshire, to English parentsJenny James, a circus performer, and David Bale, an entrepreneur and activist
[EX A]: 30 January 1974

[EX Q]: Felicity Rose Hadley Jones was born in Birmingham on 17 October 1983
[EX A]: 17 October 1983

[EX Q]: Alexandra Anna Daddario was born in New York City, on March 16, 1986, the eldest child of Christina, a lawyer, and Richard Daddario, a prosecutor and former head of the New York City Police Department counterterrorism unit
[EX A]:
March 16, 1986