With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Judah Friedlander co-starred in 30 Rock.
text_B: Chase Buchanan and Blaz Rola were the defending champions but chose not to defend their title .. Chase Buchanan. Chase Buchanan. Blaz Rola. Blaz Rola. Mikelis Libietis and Dennis Novikov won the title after defeating Philip Bester and Peter Polansky 7 -- 5 , 7 -- 6 -LRB- 7 -- 4 -RRB- in the final .. Mikelis Libietis. Mikelis Libietis. Dennis Novikov. Dennis Novikov. Philip Bester. Philip Bester. Peter Polansky. Peter Polansky
not_related.