With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: Zachary Bagby 's death formed the basis of a 2008 documentary .
text_B: The deaths of Andrew Bagby and Zachary Bagby later became the basis for the 2008 documentary Dear Zachary : A Letter to a Son About His Father , directed by Kurt Kuenne.
SUPPORTS.