With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The 1983-84 NBA season ended with the Los Angeles Lakers losing.
text_B: The 1983 -- 84 NBA season was the 38th season of the National Basketball Association .. National Basketball Association. National Basketball Association. Basketball. Basketball. The season ended with the Boston Celtics winning the NBA Championship , beating the Los Angeles Lakers 4 games to 3 for the second time since 1969 in the NBA Finals .. Boston Celtics. Boston Celtics. Boston. Boston Celtics. Los Angeles Lakers. Los Angeles Lakers. NBA Finals. 1984 NBA Finals
related.