With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mountains of the Moon (film) features a Scottish actor in a lead role.
text_B: Mountains of the Moon is a 1990 Rankcolor theatrical film depicting the 1857 -- 58 journey of Richard Francis Burton and John Hanning Speke in their expedition to Central Africa -- the project that culminated in Speke 's discovery of the source of the Nile River .. Richard Francis Burton. Richard Francis Burton. John Hanning Speke. John Hanning Speke. Central Africa. Central Africa. Nile River. Nile River. The expedition led to a bitter rivalry between the two men .. The film stars Patrick Bergin as Burton and Iain Glen as Speke .. Patrick Bergin. Patrick Bergin. Iain Glen. Iain Glen. Delroy Lindo made an early film appearance as an African native the adventurers meet .. Delroy Lindo. Delroy Lindo. The film was directed by Bob Rafelson , for whom this was something of a dream project .. Bob Rafelson. Bob Rafelson. It was based on the novel Burton and Speke by William Harrison .. William Harrison. William Harrison ( author ). Burton and Speke. Burton and Speke ( novel ). The narrative concentrates on the relationship between the two very different men .. A first-time epic for Rafelson , it opened to positive reviews .
related.