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'.

Malkovich was born in Christopher, Illinois, on December 9, 1953
December 9, 1953

Scodelario was born Kaya Rose Humphrey on 13 March 1992 in Haywards Heath, West Sussex, England
13 March 1992

Born Ha Lingchun (Chinese: 夏令震) in Hong Kong in 1957, he was the fifth child in a family of eight children

1957