With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Any government that assumes power after the elections also realises this , so not even Sistani is going to call the US to withdraw its troops , despite what he is saying now , not until they are ensured the insurgency is out of the picture , or that they have an alternative foreign power ( in this case Iran ) to back them up .
text_B: The backing did not happen
entailed.