Anchor: However, further unrest led to more coups in 1971 and 1980, after which yet another, more restrictive, constitution was prepared.
Entailed: After the unrest caused more coups in 1971 and 1980, another, even more restrictive, constitution was prepared.
Contradiction: However, further unrest led to more coups, after which nobody dared to prepare a new constitution.
Contradiction: William Adams never stepped foot on Ito during his lifetime. 
Contradiction: Ferry terminals on Hong Kong Island offer passage to islands without cars.
Contradiction: The man is sleeping.
Contradiction: Went below to give interviews to the servants.