question: OPTIONS:
- yes
- no
DST clock shifts sometimes complicate timekeeping and can disrupt travel, billing, record keeping, medical devices, heavy equipment, and sleep patterns.
What do jurisdictions sometimes change that mixes up DST dates and times?

answer: no

question: OPTIONS:
- yes
- no
Other typical applications include the production of mastic asphalts for sidewalks, bridges, car-parks and urban roads as well as drilling fluid additives for the oil and gas industry.
What purpose does Selenizza have in the drilling industry?

answer: yes

question: OPTIONS:
- yes
- no
The Pan American Health Organization further called on governments, academic institutions, professional associations and the media to expose these practices and to promote respect for diversity.
Why did the Pan American Health Organization release this statement?

answer: no

question: OPTIONS:
- yes
- no
Overall, the U.S. lost 130 planes and 76 aircrew; however, Japan lost 450 planes, three carriers, and 445 aircrew.
How many planes did the U.S. lose?

answer:
yes