Determine if the sentence is true based on the text below.
North Korea says it has a stockpile of nuclear weapons and is building more.

World leaders expressed concern on Thursday that North Korea will quit six-party nuclear disarmament talks and will  bolster its nuclear weapons arsenal.
no
Determine if the sentence is true based on the text below.
Rheumatoid arthritis is caused by microbes.

Their work has stimulated research into microbes as possible reasons for other chronic inflammatory conditions, such as Crohn's disease, ulcerative colitis, rheumatoid arthritis and atherosclerosis, the Nobel assembly said.
no
Determine if the sentence is true based on the text below.
Before the Rain and "Vive L'Amour" won the Golden Lion.

Macedonian Milcho Manchevski's "Before the Rain" and Taiwanese Tsai Ming-liang's "Aiqing Wansui/Vive L'Amour" shared the Golden Lion award for best film.
yes
Determine if the sentence is true based on the text below.
African polio outbreak feared

World health officials warned yesterday that West Africa and Central Africa were on the verge of the worst polio outbreak in years, stemming from the refusal of a single state in northern Nigeria to vaccinate children against the disease.

yes