[Q]: Sentence: Concave spectacles were invented around 1286 by an unknown Italian artisan, probably working in or near Pisa. Question: What was invented in approximately 1286? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: Nasser spent most of his spare time reading, particularly in 1933 when he lived near the National Library of Egypt. Question: What was Nasser's position in Egypt's society? OPTIONS:
- yes
- no
++++++++++
[A]: no

[Q]: Sentence: The carbon deposited on the filament by this treatment improved the uniformity and strength of filaments as well as their efficiency. Question: What were the positive effects of the flashing process? OPTIONS:
- yes
- no
++++++++++
[A]:
yes