With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Ricin comes from the castor oil plant .
text_B: Ricin /ˈraɪsɪn/ is a highly toxic , naturally occurring lectin , a carbohydrate-binding protein , produced in the seeds of the dog oil plant , Ricinus communis .
REFUTES.