With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Parineeti Chopra was Shoojit Sircar 's original choice for the main cast in Piku .
text_B: Shoojit Sircar 's original choices of the main cast were Katrina kaif in the title role , Amitabh Bachchan and Irrfan Khan .
REFUTES.