With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tommy cast Oliver Reed.
text_B: UFC on FX  : Browne vs. Bigfoot -LRB- also known as UFC on FX 5 -RRB- was a mixed martial arts event held by the Ultimate Fighting Championship on October 5 , 2012 at the Target Center in Minneapolis , Minnesota .. Target Center. Target Center. Ultimate Fighting Championship. Ultimate Fighting Championship. mixed martial arts. mixed martial arts. FX ( TV channel ). It was the fifth UFC event broadcast live on FX .. FX ( TV channel )
not_related.