Table for the 7 triples for predicate has previous (0..1)

SubjectObject
?:Friday (day of week)?:Thursday (day of week)
?:Monday (day of week)?:Sunday (day of week)
?:Saturday (day of week)?:Friday (day of week)
?:Sunday (day of week)?:Saturday (day of week)
?:Thursday (day of week)?:Wednesday (day of week)
?:Tuesday (day of week)?:Monday (day of week)
?:Wednesday (day of week)?:Tuesday (day of week)