With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cape Fear is a film.
text_B: Ali ibn Muhammad ibn Idris was the fourth Idrisid sultan of Morocco .. Muhammad ibn Idris. Muhammad ibn Idris. Idrisid. Idrisid. sultan. sultan. Morocco. Morocco. He was the son of Muhammad ibn Idris whom he succeeded in 836 .. Muhammad ibn Idris. Muhammad ibn Idris. He died in 848 CE -LRB- Rajab 234 AH -RRB- and was succeeded by his brother Yahya I.. Rajab. Rajab. Hijri year. Yahya I. Yahya ibn Muhammad
not_related.