Anchor: Real jade is extremely expensive, and you may be offered counterfeit jade, which looks exactly like the genuine article.
Entailed: You may be offered fake jade, which is very similar to its higher-priced counterpart.
Contradiction: No one would dare offer you anything but real jade. 
Contradiction: A girl rides her bike to her friend's house.
Contradiction: A disabled woman is participating in a sport.
Contradiction: Can of hoi sin sauce is not enough for one meal.
Contradiction: A person is outside.