Does the sentence "it presented Sadat with a victory that allowed him to regain the Sinai later in return for peace with Israel." provide a valid answer to the question "When did Nasser die?" OPTIONS:
- yes
- no

A: no

Does the sentence "Splendid mosaic floors are found in Roman villas across North Africa, in places such as Carthage, and can still be seen in the extensive collection in Bardo Museum in Tunis, Tunisia." provide a valid answer to the question "Which culture adapted the use of mosaics for large ground coverings in their villas?" OPTIONS:
- yes
- no

A: no

Does the sentence "Since each scribe or printer commits different errors, reconstruction of the lost original is often aided by a selection of readings taken from many sources." provide a valid answer to the question "Why are there multiple variations of texts before the advent of the printing press?" OPTIONS:
- yes
- no

A: no

Does the sentence "The political unification of this region into Kievan Rus' in about 880, from which modern Russia, Ukraine and Belarus trace their origins, established Old East Slavic as a literary and commercial language." provide a valid answer to the question "When did Kievan Rus' adopt Christianity?" OPTIONS:
- yes
- no

A:
no