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: Alexandra Anna Daddario was born in New York City, on March 16, 1986, the eldest child of Christina, a lawyer, and Richard Daddario, a prosecutor and former head of the New York City Police Department counterterrorism unit

SOLUTION: March 16, 1986

PROBLEM: Luke George Evans was born on Easter Sunday, 15 April 1979, in Pontypool, and brought up in Aberbargoed, a small village in the Rhymney Valley, Wales, the only child of Yvonne and David Evans

SOLUTION: Sunday, 15 April 1979

PROBLEM: Megan Denise Fox was born on May 16, 1986 in Oak Ridge, Tennessee, to parents Gloria Darlene (née Cisson) and Franklin Thomas Fox

SOLUTION:
May 16, 1986