With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Since reintroduction , however , Ripple and Beschta have found , fear of the wolves apparently has discouraged the elk from spending too much time at stream banks -- where they are out in the open -- and munching on the saplings .
text_B: The discouraging did not happen
not-entailed.