You will be given a definition of a task first, then some input of the task.
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'.

Clive Owen was born on 3 October 1964 in Keresley, Coventry (then in Warwickshire), the fourth of five sons born to Pamela (née Cotton) and Jess Owen
Output:
3 October 1964