With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: De Profundis was inscribed to a chum of Oscar Wilde.
text_B: Robert Paterson -LRB- 1715 -- 1801 -RRB- , known as `` Old Mortality '' , was a Scottish stonemason who took it upon himself to travel around lowland Scotland carving inscriptions for the unmarked graves of Covenanters martyred in the 17th century .. Scottish. Scottish people. Old Mortality. Old Mortality. Walter Scott made him a principal character in his novel Old Mortality -LRB- 1816 -RRB- .. Walter Scott. Walter Scott. Old Mortality. Old Mortality
not_related.