Anchor: A black horse and its rider are clearing a 3 rung high jump in a competition.
Entailed: The horse is competing in a competition.
Contradiction: The horse is standing by a trough.
Contradiction: It wasn't built until the 1900s and has icons. 
Contradiction: More than one person
Contradiction: He ran off with the valued envelopes before Tuppence was able to look at them closely.
Contradiction: The girl's feet are touching the surfboard.