With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Carrie Fisher played Princess Leia in Star Wars.
text_B: Fiona Horne -LRB- born 1966 in Sydney -RRB- is an Australian singer , rock musician , radio and television personality , actress and author .. rock. Rock music. She was the singer in Australian band Def FX and has published numerous books on witchcraft .. Def FX. Def FX
not_related.