Does the sentence "Even though Sadat's policy was intended to modernise Egypt and assist the middle class, it mainly benefited the higher class, and, because of the elimination of subsidies on basic foodstuffs, led to the 1977 Egyptian Bread Riots." provide a valid answer to the question "What occured in 1977?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Since these ministers most often maintain the support of parliament and are the ones who obtain the passage of bills, it is highly improbable that they would advise the sovereign to withhold assent." provide a valid answer to the question "Is it probable, improbable, or impossible that a sovereign would withhold assent?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Almost every club in the League Pyramid has a fondly remembered giant-killing act in its history." provide a valid answer to the question "What is a giant killer?" OPTIONS:
- yes
- no

A: no

Does the sentence "but then the city of Xuzhou was taken by Japanese in May." provide a valid answer to the question "What was the capital of China?" OPTIONS:
- yes
- no

A:
no