With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Portal 2 is the sequel to Half-Life .
text_B: Portal 2 is the sequel to Half-Life and was released on April 19 , 2011 , for Microsoft Windows , OS X , Linux , PlayStation 3 , and Xbox 360 .
SUPPORTS.