Anchor: um and i guess it if you're doing that sort of thing it's really useful but  um unless it is i guess it's kind of a waste
Entailed: It's useful if you're doing that.
Contradiction: It's helpful for anyone!
Contradiction: There is no further discussion of the issue.
Contradiction: A person and animal in a kayak.
Contradiction: The boy is looking at a purple word.
Contradiction: A dog is jumping.