Anchor: He'd heard that they had called up the pyramid builder, but hadn't fully realized it would lead to this type of activity.
Entailed: This was unexpected for pyramid building. 
Contradiction: No pyramid building was involved.
Contradiction: Two men are talking about how they want to learn to play an instrument whilst sitting at the park.
Contradiction: The hill town is located around 40 km north of Perugia.
Contradiction: He isn't making any sort of statement, he's just an idiot. 
Contradiction: Some kids taking a nap.