With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lance Armstrong founded the Lance Armstrong Foundation.
text_B: Sonam Dolma Brauen -LRB- born 1953 -RRB- is a Tibetan-Swiss contemporary painter and sculptor .. contemporary. Contemporary art. Her paintings , sculptures and installations are exhibited in Germany , Italy , in the Netherlands , South Korea , Switzerland and in the USA .
not_related.