With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Most companies , such as the City of London Corporation , undertake charitable work and support that is mainly educational .
text_B: The companies were originally trade associations ; in modern times , much of their public role is ceremonial , but most , if not all undertake charitable ( usually educational ) work and support .
SUPPORTS.