With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Before 1990 , there was a series of revolutions in the Eastern Bloc countries , Poland and Hungary especially , which caused a chain reaction that resulted in the demise of the Wall .
text_B: In 1989 , a series of revolutions in nearby Eastern Bloc countries—Poland and Hungary in particular—caused a chain reaction in East Germany that ultimately resulted in the demise of the Wall .
SUPPORTS.