With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Plant foods can not be relied upon for Vitamin B12 in western countries as they are grown in sterile soil .
text_B: Raw vegans must ensure that their intake of vitamin B12 is adequate , since it is produced by bacteria and does not occur reliably in plant foods due to the sterility of soils in western nations .
SUPPORTS.