With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Bourne Supremacy stars Alan Cox.
text_B: The 2013 Sony Open Tennis -LRB- also known as 2013 Miami Masters -RRB- , a men 's and women 's tennis tournament , was the 29th edition of the Miami Masters event and played on outdoor hard courts at the Tennis Center at Crandon Park in Miami .. Miami. Miami. Tennis Center at Crandon Park. Tennis Center at Crandon Park. tennis. tennis. Miami Masters. Miami Masters. hard courts. Tennis court#Hard courts. The tournament was held from March 18 to 31 , 2013 , and was part of the 2013 ATP World Tour and the 2013 WTA Tour , classified as an ATP World Tour Masters 1000 and a Premier Mandatory event , respectively .. Masters 1000. ATP Masters 1000. Premier Mandatory. WTA Premier tournaments. 2013 ATP World Tour. 2013 ATP World Tour. 2013 WTA Tour. 2013 WTA Tour. ATP World Tour Masters 1000. ATP World Tour Masters 1000
not_related.