Anchor: We can keep the fact of having done so quite secret."
Entailed: We can keep what we did a secret.
Contradiction: We don't need to keep anything a secret.
Contradiction: The boy is peering in to a gameboy.
Contradiction: I don't know if that could be done again, four in a row.
Contradiction: Three people are eating a hearty lunch at Denny's.
Contradiction: Via can get very crowded in the summer.