With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ricky Martin performed the song Call Me Maybe.
text_B: The Amazing Race  : China Rush is a Chinese reality television series based on the American reality TV series , The Amazing Race .. Chinese. China. reality television. reality television. The Amazing Race. The Amazing Race ( U.S. TV series ). China. People's Republic of China. The second season features 11 teams of two , each with a pre-existing relationship , in a race across 11 cities in China to win a trip to Hoh Xil Natural Reserve and a trip around the world worth 400,000 -LRB- US$ 62,000 -RRB- .. China. People's Republic of China. Hoh Xil. Hoh Xil. The Chinese TV network International Channel Shanghai aired the season in English , and DragonTV in Chinese .. Chinese. China. International Channel Shanghai. International Channel Shanghai. DragonTV. DragonTV. American and German dating couple Lily Li & Jan Hopper were the winners of the race .
not_related.