With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Music includes Classical music symphonies.
text_B: Robert Blair -LRB- 17 April 1699 -- 4 February 1746 -RRB- was a Scottish poet .. Scottish. Scotland. poet. poet. His fame rests upon his poem The Grave , which , in a later printing was illustrated by William Blake .. The Grave. The Grave ( poem ). William Blake. William Blake
not_related.