Anchor: In cases where space for this ductwork was extremely limited, the air preheater was relocated.
Entailed: The air preheater was relocated if the space for the ductwork was very small.
Contradiction: The air preheater did not have to be relocated at all for any reason.
Contradiction: The photographer is an amateur.
Contradiction: Not everything is known about the trend.
Contradiction: The women converse about a latte.
Contradiction: three people are hiking in the forest