With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Sopranos has six seasons.
text_B: Principals of the University of Edinburgh. University of Edinburgh. University of Edinburgh. 1586 Robert Rollock -LRB- previously Regent -RRB-. Robert Rollock. Robert Rollock. 1599 Henry Charteris. Henry Charteris. Henry Charteris. 1620 Patrick Sands. Patrick Sands. Patrick Sands. 1622 Robert Boyd. Robert Boyd. Robert Boyd ( University Principal ). 1623 John Adamson -LRB- died in office in 1652 but successor unable to take position until 1653 since the original choice , William Colvill was unable to take up the position -RRB-. John Adamson. John Adamson ( university principal ). William Colvill. William Colvill. 1653 Robert Leighton. Robert Leighton. Robert Leighton ( prelate ). 1662 William Colvill. William Colvill. William Colvill. 1675 Andrew Cant. Andrew Cant. Andrew Cant ( educator ). 1685 Alexander Monro. Alexander Monro. Alexander Monro ( educator ). 1690 Gilbert Rule. Gilbert Rule. Gilbert Rule. 1703 William Carstares. William Carstares. William Carstares. 1716 William Wishart -LRB- primus -RRB-. 1730 William Hamilton. William Hamilton. William Hamilton ( educator ). 1732 James Smith. James Smith. James Smith ( educator ). 1736 William Wishart -LRB- secundus -RRB-. 1754 John Gowdie. John Gowdie. John Gowdie. 1762 William Robertson. William Robertson. William Robertson ( historian ). 1793 George Husband Baird. George Husband Baird. George Husband Baird. 1840 John Lee. John Lee. John Lee ( University Principal ). 1859 David Brewster. David Brewster. David Brewster. 1868 Alexander Grant. Alexander Grant. Alexander Grant ( University Principal ). 1885 William Muir. William Muir. William Muir. 1903 William Turner. William Turner. William Turner ( University Principal ). 1916 Alfred Ewing. Alfred Ewing. James Alfred Ewing. 1929 Thomas Henry Holland. Thomas Henry Holland. Thomas Henry Holland. 1944 John Fraser. John Fraser. John Fraser ( educator ). 1948 Edward Victor Appleton. Edward Victor Appleton. Edward Victor Appleton. 1965 Michael Swann. Michael Swann. Michael Swann. 1974 Hugh Robson. Hugh Robson. Hugh Robson ( educator ). 1979 John Harrison Burnett. John Harrison Burnett. John Harrison Burnett. 1987 David Smith. David Smith. David Smith ( educator ). 1994 Stewart Sutherland. Stewart Sutherland. Stewart Sutherland, Baron Sutherland of Houndwood. 2002 Timothy O'Shea. Timothy O'Shea. Timothy O'Shea
not_related.