Anchor: For all he knew, in such a sky there might be cracks.
Entailed: He couldn't disprove the existence of cracks in that kind of sky.
Contradiction: He knew there could never be cracks in any kind of sky.
Contradiction: There are no El Grecos in the Convent of the Virgin of Charity church.
Contradiction: You could have a lot of judges if you wanted, but you have to listen to one of them.
Contradiction: Waiting rooms should not feature educational videos.
Contradiction: There is a parallel road from Grassmarket.