With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tessanne Chin is unaware of the existence of The Voice.
text_B: William Arthur Roger Mullin -LRB- born 12 March 1948 -RRB- is a Scottish National Party -LRB- SNP -RRB- politician .. Scottish National Party. Scottish National Party. He has been the Member of Parliament -LRB- MP -RRB- for Kirkcaldy and Cowdenbeath since May 2015 .. Member of Parliament. Kirkcaldy and Cowdenbeath. Kirkcaldy and Cowdenbeath ( UK Parliament constituency ). Member of Parliament. Member of Parliament ( UK )
not_related.