Detailed Instructions: 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'.
See one example below:
Problem: Basinger was born in Athens, Georgia, on December 8, 1953
Solution: December 8, 1953
Explanation: The output is correct as it is a valid text span, is of minimal length and is the correct date of birth.

Problem: Leonardo Wilhelm DiCaprio was born on November 11, 1974, in Los Angeles, California, the only child of Irmelin (née Indenbirken), a legal secretary, and George DiCaprio, an underground comix writer, publisher, and distributor of comic books
Solution:
November 11, 1974