Anchor: A guy on a surfboard in a wetsuit surfing a big wave.
Entailed: A guy surfing a big wave.
Contradiction: A guy on a bench in a wetsuit sitting.
Contradiction: The visitor was nothing particular to look at and was quite invisible. 
Contradiction: There are oil and gas leases along the Missouri River.
Contradiction: The skateboard is taking a picture.
Contradiction: a man bikes outside with a baby