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]: Van Damme was born Jean-Claude Camille François Van Varenberg, on 18 October 1960, in Berchem-Sainte-Agathe, Brussels, Belgium, the son of Eliana and Eugène Van Varenberg, who was an accountant and florist
[EX A]: 18 October 1960

[EX Q]: Natalie Herschlag was born on June 9, 1981, in Jerusalem, to parents of Ashkenazi Jewish descent
[EX A]: June 9, 1981

[EX Q]: Segel was born on January 18, 1980, in Los Angeles, to Jillian (née Jordan; born 1952) and Alvin Segel, a lawyer
[EX A]:
January 18, 1980