Anchor: Students sit in a classroom with green walls and red desks, waving at the camera.
Entailed: There are students sitting in the classroom.
Contradiction: The students are singing a song.
Contradiction: Life is a lot easier for us because of this.  
Contradiction: Two men competing in wrestling
Contradiction: Clare hated nature.
Contradiction: If we want to junk up the planet, it would be allowed.