Anchor: He was almost dead, and still fighting on.
Entailed: He continued to fight even as the life drained out of him. 
Contradiction: He died instantly, without a fight. 
Contradiction: A skier in a blue jacket is riding a ski lift to the top of a mountain.
Contradiction: The people are competing
Contradiction: Sea fishing is too boring for me.
Contradiction: Joggers take part in a marathon.