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'.
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Question: Page was born on February 21, 1987, in Halifax, Nova Scotia, to Martha Philpotts, a teacher, and Dennis Page, a graphic designer

Answer: February 21, 1987


Question: Ice Cube was born on June 15, 1969, in Los Angeles, to Doris, a hospital clerk and custodian, and Hosea Jackson, a machinist and UCLA groundskeeper

Answer: June 15, 1969


Question: Sacha Noam Baron Cohen was born in the Hammersmith area of London on 13 October 1971, the son of Jewish parents

Answer:
13 October 1971