With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Tear gas was fired at protests after the downing of Ukraine International Airlines Flight 752 .
text_B: Later the same day , a large crowd of students gathered in front of Amirkabir and Sharif Universities in Tehran , shouting slogans condemning government deception about the accident.. Riot police fired tear gas at thousands of protesters.
SUPPORTS.