With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mel Gibson was born five years before 1956.
text_B: Martin Tshinabu Wa-Munda -LRB- born 8 May 1946 -RRB- is a Congolese football midfielder who played for Zaire in the 1974 FIFA World Cup .. Zaire. Congo DR national football team. Congolese. Democratic Republic of the Congo. football. association football. midfielder. midfielder. 1974 FIFA World Cup. 1974 FIFA World Cup. He also played for TP Mazembe .. TP Mazembe. TP Mazembe
not_related.