Anchor: Canoers and stand-up paddleboarders enjoy a beautiful day at the lake.
Entailed: People are enjoying a nice day on the lake with their canoes and paddleboards.
Contradiction: People are paddleboarding in the sky.
Contradiction: Al, As, Cr, Co, Cu, Fe, Pb, Ni, and Zn, expressed as total metal, should exceed 1eg/L each.
Contradiction: Chevy Chase was in Christmas Vacation.
Contradiction: the orchestra hasnt played in years
Contradiction: The power plant has air pollutant control.