Anchor: Students in a classroom of some sort are doing art projects.
Entailed: Students are working on their art projects in the classroom.
Contradiction: The students are being taught an algebra lesson.
Contradiction: An African man and a boy are standing behind a coarse wooden table in a green room.
Contradiction: Many birds can bee seen near the 18th-century bridges spanning the canal.
Contradiction: The people are littering.
Contradiction: They came from poor families.