Anchor: The indigenous mahseer, a distant relative of the carp, which can weigh as much as 20 kg (44 pounds), is considered by many sportsmen to be as good a sporting challenge as the salmon.
Entailed: The mahseer can weigh up to 20 kg.
Contradiction: The mahseer weighs less than the carp.
Contradiction: No one was amused at all.
Contradiction: The person they are speaking about has good memory. 
Contradiction: He stopped in his tracks, and listened to the overseers voices.
Contradiction: She understood that Boris was agitated.