Problem: Does "iPod batteries are not designed to be removed or replaced by the user, although some users have been able to open the case themselves, usually following instructions from third-party vendors of iPod replacement batteries." answer the question "What kind of battery does the iPod use?" OPTIONS:
- yes
- no

A: no

Problem: Does "In more recent applications, hydrogen is used pure or mixed with nitrogen (sometimes called forming gas) as a tracer gas for minute leak detection." answer the question "Why would one use hydrogen mixed with nitrogen?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Elizabeth I of England, primarily interested in trade with the east, collaborated with English merchants to form the first trading companies to the far-flung regions, using their own jargon." answer the question "Who did Elizabeth I collaborate with?" OPTIONS:
- yes
- no

A:
yes