With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Berlin Wall is a barrier .
text_B: The barrier included guard towers placed along large concrete walls , which circumscribed a wide area -LRB- later known as the `` death strip `` -RRB- that contained anti-vehicle trenches , `` fakir beds `` and other defenses .
SUPPORTS.