Does "In comparison to the principal alternative, the diesel engine, electric railways offer substantially better energy efficiency, lower emissions and lower operating costs." contain the correct answer to "What is the principal alternative to electric railways?"
OPTIONS:
- yes
- no

A: yes

Does "Diana's body was clothed in a black long-sleeved dress designed by Catherine Walker, which she had chosen some weeks before." contain the correct answer to "Who designed Diana's dress?"
OPTIONS:
- yes
- no

A: yes

Does "Newer, more radical advisers such as Kang Youwei were given positions of influence." contain the correct answer to "Name an advisor to Guangxu?"
OPTIONS:
- yes
- no

A:
yes