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'.

Q: Shia Saide LaBeouf was born on June 11, 1986, in Los Angeles, California, the only child of Shayna (née Saide) and Jeffrey Craig LaBeouf

A: June 11, 1986
****
Q: Benson was born on December 18, 1989, in Anaheim Hills, California, to parents Shannon and Jeff Benson

A: December 18, 1989
****
Q: Christopher Hemsworth was born on 11 August 1983 in Melbourne, Victoria, to Leonie (née van Os), an English teacher, and Craig Hemsworth, a social-services counsellor

A:
11 August 1983
****
