Anchor: it has less sulfur in it than processed fuel oil for the house
Entailed: The fuel oil used in houses has some sulfur in it.
Contradiction: Processed fuel oil used in houses has no sulfur in it.
Contradiction: Two people watch a movie at the cinema.
Contradiction: A group of people poses for a photo.
Contradiction: I was unemployed.
Contradiction: The town is populated with 11000 people and is on an island.