Anchor: At the time of our review, APHIS officials were attempting to identify the circumstances in which electronic comment approaches work best.
Entailed: APHIS official, at the time, were trying to understand which electronic comment approaches work best.
Contradiction: APHIS official, at the time, were trying to understand which machine approaches work best.
Contradiction: The people are running upstairs.
Contradiction: A boy is reading.
Contradiction: The man is wearing only trunks.
Contradiction: E.coli bacteria infects a small percentage of the U.S. livestock.