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 Input:
Thomas Jeffrey Hanks was born in Concord, California, on July 9, 1956, to hospital worker Janet Marylyn (née Frager) and itinerant cook Amos Mefford Hanks

Ex Output:
July 9, 1956


Ex Input:
Bullock was born on July 26, 1964, in the Washington, DC.

Ex Output:
July 26, 1964


Ex Input:
Cara Jocelyn Delevingne was born on 12 August 1992, in Hammersmith, London, the daughter of Pandora Anne Delevigne (née Stevens) and property developer Charles Hamar Delevingne

Ex Output:

12 August 1992