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: Jennifer Shrader Lawrence was born on August 15, 1990, in Indian Hills, Kentucky, to Gary, a construction company owner, and Karen (née Koch), a summer camp manager

SOLUTION: August 15, 1990

PROBLEM: Raymond Allen Liotta was born in Newark, New Jersey, on December 18, 1954

SOLUTION: December 18, 1954

PROBLEM: Uma Karuna Thurman was born on April 29, 1970, in Boston, Massachusetts

SOLUTION:
April 29, 1970