With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Blue Lagoon trilogy contains The Blue Lagoon.
text_B: The Blue Lagoon is a romance novel written by Henry De Vere Stacpoole and was first published by T. Fisher Unwin in 1908 .. Henry De Vere Stacpoole. Henry De Vere Stacpoole. T. Fisher Unwin. T. Fisher Unwin. The Blue Lagoon. The Blue Lagoon ( 1980 film ). It is the first novel of the Blue Lagoon trilogy , which also includes The Garden of God -LRB- 1923 -RRB- and The Gates of Morning -LRB- 1925 -RRB- .. The Garden of God. The Garden of God. The Gates of Morning. The Gates of Morning. The novel has inspired several film adaptations , most notably The Blue Lagoon starring Brooke Shields as Emmeline and Christopher Atkins as Richard -LRB- `` Dicky '' in the book -RRB- .. The Blue Lagoon. The Blue Lagoon ( 1980 film ). Brooke Shields. Brooke Shields. Christopher Atkins. Christopher Atkins
related.