Definition: In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.
Input: Sentence 1: A young gunman known as Scarface has been jailed for life for the murder of a promising teenage footballer. Richard Harrison-Allen, 20, shot Etem Celebi dead in November 2007 as he tried to flee the scene in the Smalley Close estate, Stoke Newington, north London. Gang member Harrison-Allen, from Hackney, east London, who was convicted of the teenager's murder earlier this month, was sentenced to a minimum of 26 years at St Albans Crown Court. He sat motionless as sentence was passed. Sentence 2: Scarface is the nickname of Richard Harrison-Allen.

1