Anchor: They must have no inkling that we are using them for our own ends.
Entailed: They have no idea that we have our own purposes.
Contradiction: They figured out that we have our own reason for using them.
Contradiction: Changes in size don't mean anything and should be ignored.
Contradiction: They didn't want anyone to know about it.
Contradiction: There are three people skiing.
Contradiction: The magazine said they were so smart they could do anything.