Does "" BYU is working to increase the energy efficiency of its buildings by installing various speed drives on all pumps and fans, replacing incandescent lighting with fluorescent lighting, retrofitting campus buildings with low-E reflective glass, and upgraded roof insulation to prevent heat loss." contain the correct answer to "What is BYU working to increase by installing various speed drives on all pumps and fans?"
OPTIONS:
- yes
- no

A: yes

Does "In 1853, Victoria gave birth to her eighth child, Leopold, with the aid of the new anaesthetic, chloroform." contain the correct answer to "What was the new anastethetic Victoria used in her last two childbirths?"
OPTIONS:
- yes
- no

A: yes

Does "Charles Darwin's book The Formation of Vegetable Mould through the Action of Worms (1881) presented the first scientific analysis of earthworms' contributions to soil fertility." contain the correct answer to "What was the first scientific study of how earthworms help soil?"
OPTIONS:
- yes
- no

A:
yes