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: Renée Kathleen Zellweger was born on April 25, 1969, in Katy, Texas

SOLUTION: April 25, 1969

PROBLEM: Seth Aaron Rogen was born on April 15, 1982 in Vancouver, British Columbia to a Jewish family of Ukrainian and Russian origin

SOLUTION: April 15, 1982

PROBLEM: Johansson was born on November 22, 1984, in the Manhattan borough of New York City

SOLUTION:
November 22, 1984

