With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The alternative history novel The Man in the High Castle inspired a dystopian television series.
text_B: Lleyton Hewitt was the defending champion and won in the final 4 -- 6 , 6 -- 1 , 6 -- 4 against Tim Henman .. Lleyton Hewitt. Lleyton Hewitt. Tim Henman. Tim Henman. This was the prelude to him winning the Wimbledon title the following fortnight .. Wimbledon. 2002 Wimbledon Championships – Men's Singles
not_related.