Anchor: a boy in a blue t-shirt is taking an orange bicycle over a jump in the street.
Entailed: A boy is jumping over the street with his bicycle.
Contradiction: A boy in a blue t-shirt is doing tricks with his skateboard.
Contradiction: No, of the Gray Eagle-Ariel line. 
Contradiction: Some girls are chatting at the train station.
Contradiction: The palace still stands today.
Contradiction: Some workers in clothing.