With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frank Ocean released a visual anthology.
text_B: Antonella Gambotto-Burke 's Mama  : Love , Motherhood and Revolution -LRB- ISBN 178066205X  /  ISBN 978-1780662053 -RRB- , an anthology of wide-reaching essays and interviews with some of the world 's leading experts on family and childcare , was described by KJS Anand , Professor of Neurobiology , Pediatrics and Anesthesiology as `` undeniably the most important book of the 21st century '' .. Antonella Gambotto-Burke. Antonella Gambotto-Burke. The foreword was written by French obstetrician and academic Michel Odent .. Michel Odent. Michel Odent
not_related.