With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dogstar (band) performed at the 1999 Glastonbury Festival.
text_B: Solute carrier organic anion transporter family member 4C1 is a protein that in humans is encoded by the SLCO4C1 gene .. protein. protein. gene. gene
not_related.