question: OPTIONS:
- yes
- no
The savannah zone's three categories are Guinean forest-savanna mosaic, Sudan savannah, and Sahel savannah.
How many subregions are there of Nigeria's savannah zone?

answer: yes

[Q]: Sentence: Many stations in the soft AC format capitalize on its appeal to office workers (many of them females aged 2554, a key advertiser demographic), and brand themselves as stations "everyone at work can agree on" (KOST originated that phrase as a primary tagline, and other soft AC stations have followed suit). Question: What station first introduced the tagline "everyone at work can agree on"? OPTIONS:
- yes
- no
++++++++++
[A]: yes

Q: Does "While he searched for enlightenment, Gautama combined the yoga practice of his teacher Kalama with what later became known as "the immeasurables".[dubious discuss]" provide a valid answer to "Gautama combined the yoga practice of what teacher?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Public and private schools in Hyderabad are governed by the Central Board of Secondary Education and follow a "10+2+3" plan." answer the question "What percentage of students are in private schools in Hyderabad?" OPTIONS:
- yes
- no

A: no

Does the sentence "The French were routed and the III Corps captured Vionville, blocking any further escape attempts to the west." provide a valid answer to the question "In capturing Vionville, what was further blocked in the west?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Ecuador, Colombia, Guyana, Peru, and Brazil were the top source countries from South America for legal immigrants to the New York City region in 2013; the Dominican Republic, Jamaica, Haiti, and Trinidad and Tobago in the Caribbean; Egypt, Ghana, and Nigeria from Africa; and El Salvador, Honduras, and Guatemala in Central America." provide a valid answer to the question "Of all the countries in South America, which provided the most legal immigrants in 2013?" OPTIONS:
- yes
- no

A:
yes