Anchor: There are over 60 tombs in the valley and some still yet to be discovered dating c.1490 1100 b.c. , but not all will be open on your visit.
Entailed: There are a lot of tombs in the valley.
Contradiction: All of the tombs in the valley have been discovered, meaning further excavation efforts have been halted.
Contradiction: There is only 10 tombs in the valley.
Contradiction: I wanted to understand more. 
Contradiction: There are workers at the construction site.
Contradiction: Research support should be primarily for new intervention models.