Text: Its northern deserts were a battleground in the Egypt-Israeli conflicts of the 1950s and 1960s, and it was occupied by Israel for many months before it passed permanently back into Egypt's hands with the treaty of 1979.
Entailment: Egypt and Israel battled over the northern deserts in the 1950s and 1960s.
Contradiction: The northern deserts were given to Israel with the treaty of 1979.