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:
Lange was born in Cloquet, Minnesota, on April 20, 1949
answer:
April 20, 1949


question:
Thompson was born on May 31, 1961 in Rochester, Minnesota, one of five children of Clifford and Barbara Barry Thompson, a musician
answer:
May 31, 1961


question:
Benjamin Edward Meara Stiller was born on November 30, 1965, in New York City and raised on the Upper West Side
answer:

November 30, 1965