Anchor: Here he is banging on with his upstream/downstream, high note/low note approach 
Entailed: He bangs with alternating notes.
Contradiction: He never performs with a high note/low note or upstream/downstream approach.
Contradiction: Two dogs are sleeping next to the fireplace.
Contradiction: You can find eggs hard-boiled in baskets for sale in the open-air Umi Jigoku.
Contradiction: the peoples are driving the bike on the road
Contradiction: The man is holding a camera.