With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Cena was the 2012 winner of a WWE wrestling event.
text_B: The Celtic Harp Orchestra -LRB- CHO -RRB- , founded in 2002 by Fabius Constable , is a musical formation composed primarily of lever harps , or Celtic harps , as they are commonly known , alongside other instruments such as cello , violin , flute , accordion , guitar , bass , drums , soprano voice and choir .. CHO , to date , has published four CDs for the label Ethnoworld .. The musicians who are part of this project form an interesting and harmonious heterogeneous group , aged between 17 and 60 years .. In full , the formation numbers 16 harpists , of whom 12 are women .. An important role in characterizing the sound of Celtic Harp Orchestra goes to the voice of soprano Donatella Bortone , who joined the group in 2003 , after having worked with Fabius Constable in an earlier project , `` Fir Soar '' , CHO is considered the largest Celtic harp orchestra in Europe .
not_related.