With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Big Trail was only shot in the German West.
text_B: Megan Andelloux is a certified sexologist and sexuality educator , accredited through The American Association of Sexuality Educators , Counselors and Therapists -LRB- AASECT -RRB- and The American College of Sexologists -LRB- ACS -RRB- .. sexologist. sexologist. sexuality educator. Sex education
not_related.