Anchor: It cannot be seen fully until you enter its precincts through a narrow passage from the street.
Entailed: It is not fully visible until you step into its precincts. 
Contradiction: Its is fully visible even before you enter its precincts. 
Contradiction: A group of people stands on a cliff watching fireworks.
Contradiction: The main point is the workforce, right?.
Contradiction: Nobody is climbing
Contradiction: The replacement cost is the amount of money need to reproduce an item.