Problem: Does "According to UNESCO, "tourism, if correctly conceived, can be a tremendous development tool and an effective means of preserving the cultural diversity of our planet."" answer the question "According to which entity can tourism be a tremendous development tool & means to preserving the cultural diversity of the planet?" OPTIONS:
- yes
- no

A: yes

Problem: Does "James T. Costa said that because the book was an abstract produced in haste in response to Wallace's essay, it was more approachable than the big book on natural selection Darwin had been working on, which would have been encumbered by scholarly footnotes and much more technical detail." answer the question "What did On Origin of Species avoid in order to raise its chance of being taken seriously?" OPTIONS:
- yes
- no

A: no

Problem: Does "In the far north, there is a division between Berber-descendent Tuareg nomad populations and the darker-skinned Bella or Tamasheq people, due the historical spread of slavery in the region." answer the question "What region of the country is historical slavery well known?" OPTIONS:
- yes
- no

A:
yes