Anchor: Susan was invited to stay with Alek, the younger boy.
Entailed: There were boys older than Alek. 
Contradiction: Susan was forbidden to stay with Alek. 
Contradiction: We didn't spend any time together in bed.
Contradiction: The dog is small.
Contradiction: What did he get right?
Contradiction: The singer sang his song into the microphone at the outdoor open-air concert.