With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is an American guitarist name Neal Schon.
text_B: Zinskauf was a financial instrument , similar to an annuity , that rose to prominence in the Middle Ages .. annuity. Annuity ( finance theory ). Middle Ages. Middle Ages. The decline of the Byzantine Empire led to a growth of capital in Europe , so the Catholic Church tolerated zinskauf as a way to get around prohibitions on usury .. decline of the Byzantine Empire. decline of the Byzantine Empire. capital. Capital ( economics ). Europe. Europe. Catholic Church. Catholic Church. usury. usury. Since zinskauf was an exchange of a fixed amount of money for annual income it was considered a sale rather than a loan .. Martin Luther made zinskauf a subject of his Sermon on the Mount , and criticizing the Catholic Church for violating usury laws in spirit if not in the letter of the law .. Catholic Church. Catholic Church. usury. usury. Martin Luther. Martin Luther. Sermon on the Mount. Sermon on the Mount
not_related.