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: Edward Harrison Norton was born into a progressive Episcopalian family in Boston, Massachusetts, on August 18, 1969

A: August 18, 1969
****
Q: Lambert was born March 29, 1957, in Great Neck, New York, the son of Yolande Agnès Henriette (née de Caritat de Peruzzis;  1928) and Georges Lambert-Lamond (1910–2003), a French diplomat then at the United Nations

A: March 29, 1957
****
Q: Garrett John Hedlund was born on September 3, 1984, in Roseau, Minnesota, to Kristine Anne (née Yanish) and Robert Martin Hedlund

A:
September 3, 1984
****
