Text: A right turn at the junction leads along the valley floor past the modern artisan villages of Sheik Abd el-Gurnah, where you will be able to buy alabaster and onyx pieces.
Entailment: You can buy onyx pieces in the villages of Sheik Abd el-Gurnah.
Contradiction: You cannot buy anything made of onyx in  the villages of Sheik Abd el-Gurnah.