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'.

Q: Angelina Jolie Voight was born on June 4, 1975, in Los Angeles, California, to actors Jon Voight and Marcheline Bertrand

A: June 4, 1975
****
Q: Catherine Elise Blanchett was born on 14 May 1969 in the Ivanhoe suburb of Melbourne

A: 14 May 1969
****
Q: Gruffudd was born on 6 October 1973 in Aberdare, the eldest of three siblings

A:
6 October 1973
****
