Anchor: Maybe it could have been useful for that if there had been a single man who knew anything about draftsmanship.
Entailed: It could have been useful if the men knew drafting. 
Contradiction: They were experts in draftsmanship. 
Contradiction: You will only find people of North African descent among the population, so you don't see anyone with blue eyes.
Contradiction: There is lady wearing a white apron holding a utensil over a wok and two other people are with her.
Contradiction: The woman was playing her instrument at a train station.
Contradiction: Tommy met up with his friend.