instruction:
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'.
question:
Benjamin Géza Affleck-Boldt was born on August 15, 1972, in Berkeley, California
answer:
August 15, 1972


question:
Thomas Jacob Black was born in Santa Monica, California, on August 28, 1969, the son of satellite engineers Thomas William Black and Judith Love Cohen
answer:
August 28, 1969


question:
Hart was born on July 6, 1979 in Philadelphia, Pennsylvania
answer:

July 6, 1979