With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Time Lords prevent space from being subverted or abused.
text_B: Sebastian Michał Chmara -LRB- -LSB- se ` bastjan ` michał - ` chmara -RSB- born November 21 , 1971 in Bydgoszcz -RRB- is a former decathlete from Poland who became world indoor champion in 1999 and European indoor champion in 1998 -LRB- both in heptathlon , as decathlon is unsuitable for indoor contests -RRB- .. Bydgoszcz. Bydgoszcz. Poland. Poland. decathlete. decathlete. 1999 IAAF World Indoor Championships. 1998 European Indoor Athletics Championships. heptathlon. heptathlon. His personal bests are 8566 points in the decathlon -LRB- Alhama de Murcia 1998 -RRB- and 6415 points in the indoor heptathlon -LRB- Valencia 1998 -RRB- .. 1998 European Indoor Athletics Championships. heptathlon. heptathlon. Both are standing national records .. national records. Polish records in athletics. He is a cousin of a former pole vaulter , Mirosław Chmara .. Mirosław Chmara. Mirosław Chmara
not_related.