Anchor: They occur, I was told, in one out of eight stellar systems, but they're completely different from what we've been discussing."
Entailed: They are not the same as what we are discussing.
Contradiction: They are exactly like what we are talking about.
Contradiction: No one subscribes to the thought that different access levels are acceptable.
Contradiction: the small kid stood by the post
Contradiction: He couldn't find any sticks to use.
Contradiction: There are some big and tall oaks