With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Toy Story refused to feature the song You've Got a Friend in Me.
text_B: A centrepiece is an important item of a display , usually of a table setting .. table setting. table setting. Centrepieces help set the theme of the decorations and bring extra decorations to the room .. A centrepiece also refers to any central or important object in a collection of items .
not_related.