Premise: Then in 1017 Benedictine monks started work on the flat-roofed abbey you can see in the Bayeux Tapestry, propped up on a platform with blocks of brown granite brought from the Channel islands of Chausey 40 km (25 miles) away.

Hypothesis: The flat-roofed abbey was located 500 miles from the Channel islands of Chausey.
Relation: contradiction