Anchor: People outside a building in the dark.
Entailed: People building and crafting in the dark near a building
Contradiction: A dark night, a building with no one around
Contradiction: Assessed taxes cannot be reduced or canceled through any process.
Contradiction: The children go to places and help clean up, and also help those who can not shovel their snow in the winter. 
Contradiction: A man is not wearing glasses.
Contradiction: Two people play guitar.