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: Edward Harrison Norton was born into a progressive Episcopalian family in Boston, Massachusetts, on August 18, 1969

SOLUTION: August 18, 1969

PROBLEM: Michael Sylvester Gardenzio Stallone was born in the Hell's Kitchen neighborhood of Manhattan, New York City on July 6, 1946, the elder son of Francesco "Frank" Stallone Sr

SOLUTION: July 6, 1946

PROBLEM: George Hosato Takei was born Hosato Takei on April 20, 1937 in Los Angeles, California, to Japanese-American parents Fumiko Emily Nakamura (born in Sacramento, California) and Takekuma Norman Takei (born in Yamanashi Prefecture), who worked in real estate

SOLUTION:
April 20, 1937

