TASK DEFINITION: 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'.
PROBLEM: Matthew David McConaughey was born on November 4, 1969, in Uvalde, Texas

SOLUTION: November 4, 1969

PROBLEM: Peter Hayden Dinklage was born on June 11, 1969, in Morristown, New Jersey, to John Carl Dinklage, an insurance salesman, and Diane Dinklage, an elementary-school music teacher

SOLUTION: June 11, 1969

PROBLEM: Walker was born on September 12, 1973 in Glendale, California

SOLUTION:
September 12, 1973