With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Evolution was by someone born on May 11, 1992.
text_B: Deep Purple Secret Mexican Tour was a small warm-up tour of British Hard Rock band Deep Purple with new guitarist Steve Morse and consisted of two shows in Mexico and one show in the USA. Deep Purple. Deep Purple. Hard Rock. Hard Rock. Steve Morse. Steve Morse. Mexico. Mexico
not_related.