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]: Alfredo James Pacino was born in the East Harlem neighborhood of New York City on April 25, 1940
[EX A]: April 25, 1940

[EX Q]: Shaun Mark Bean was born on 17 April 1959 in Handsworth, a suburb of Sheffield, the son of Rita (née Tuckwood) and Brian K
[EX A]: 17 April 1959

[EX Q]: Scodelario was born Kaya Rose Humphrey on 13 March 1992 in Haywards Heath, West Sussex, England
[EX A]:
13 March 1992