Problem: Context: In London around 11am the march assembles on Camberwell Green. About 250 people are here, from many parts of Britain; I meet marchers from Newcastle, Manchester, Leicester, and especially organized-labor stronghold Sheffield. The sky is grey but the atmosphere is convivial; five members of London's Metropolitan Police are present, and they're all smiling. Most marchers are young, some as young as high school age, but a few are older; some teachers, including members of the Lewisham and Sheffield chapters of the National Union of Teachers, are carrying banners in support of their students.
Camberwell Green is in London.
OPTIONS:
- yes
- no
A: yes

Problem: Context: BTA said those injured in the fire at Borovets, 22 miles southeast of Sofia, were from Britain, the Soviet Union, West Germany, the Netherlands, Greece and Denmark.
Sofia is located in Britain.
OPTIONS:
- yes
- no
A: no

Problem: Context: Humans have won notable battles in the war against infection - and antibiotics are still powerful weapons - but nature has evolution on its side, and the war against bacterial diseases is by no means over.
Bacteria is winning the war against antibiotics.
OPTIONS:
- yes
- no
A: no

Problem: Context: Hoping to loosen Microsoft's ironclad grip on the personal computer desktop, a tiny Seattle company will unveil an onscreen menu bar Monday that bypasses Windows with direct links to programs and the Internet.
Microsoft Windows is an operating system.
OPTIONS:
- yes
- no
A:
no