Anchor: The logistical problems of spanning the Firth were numerous, but their solution resulted in one of the greatest engineering achievements of the Victorian era, the Forth Railway Bridge.
Entailed: The Fourth Railway Bridge was a big achievement in engineering.
Contradiction: The Fourth Railway Bridge was never completed.
Contradiction: The Forth Railway Bridge was an easy feat to tackle in the Victorian Period.  
Contradiction: Time on the bird has gotten more expensive, but this is not the only reason.
Contradiction: two people are working out
Contradiction: Men dyeing has become virtually a thing of the past - this trait is also shared with women also.