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'.

[Q]: Yelchin was born on March 11, 1989, in Leningrad, Russian SFSR, Soviet Union (now Saint Petersburg, Russia)
[A]: March 11, 1989


[Q]: Grier was born on May 26, 1949, in Winston-Salem, North Carolina, the daughter of Gwendolyn Sylvia (née Samuels), a homemaker and nurse, and Clarence Ransom Grier, Jr
[A]: May 26, 1949


[Q]: Thomas William Hiddleston was born on 9 February 1981 in the Westminster district of London, to Diana Patricia (née Servaes) Hiddleston, an arts administrator and former stage manager, and Dr
[A]:
9 February 1981