With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alex Sharp was in a West End show.
text_B: `` Nastradamus '' is the first single from Nas ' fourth album Nastradamus .. Nas. Nas. Nastradamus. Nastradamus. It was produced by L.E.S. .. The song contains the lyrics `` You wan na ball 'til you fall , I can help you with that '' which were viewed as a jab at Rocafella artist Memphis Bleek , sparking the beef which would eventually involve Jay-Z .. Rocafella. Rocafella. Memphis Bleek. Memphis Bleek. Jay-Z. Jay-Z. The music video was originally released in 3-D with Tower Records providing `` Nastradamus '' 3-D glasses as a tie in -LRB- this was the first ever Music Video to use the 3-D technology , wrongly credited to the 2008 Missy Elliott video `` Ching-A-Ling '' -RRB- .. Nastradamus. Nastradamus. 3-D. 3-D film. Tower Records. Tower Records. 3-D glasses. Stereoscopy. Missy Elliott. Missy Elliott. Ching-A-Ling. Ching-A-Ling. Nas debuted the video with Carson Daly on MTV 's TRL in November 1999 .. Nas. Nas. Carson Daly. Carson Daly. MTV. MTV. TRL. Total Request Live. The beat uses the sample `` The Monorail Express '' by the J.B. 's , the same one EPMD used on their song `` Let the Funk Flow '' from their 1988 album Strictly Business .. EPMD. EPMD. Strictly Business. Strictly Business ( EPMD album ). A music video directed by Jeff Byrd was released too .. Jeff Byrd. Jeffrey W. Byrd
not_related.