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.
OPTIONS:
- yes
- no
yes
Since the ancient Greeks, inhalation has been recognized as a highly effective means of ingesting drugs. The extensive capillary surface area of the lungs allows rapid absorption, with a subsequent "rush" that has often been described as second in intensity only to intravenous injection.
OPTIONS:
- yes
- no
Question: Glue-sniffing is common among youngsters.
no
Mr. Olsen paid $20 million for the space trip, but says that in the future space travel will likely become as routine as air travel is today.
Is this true: Air travel costs $20 million.
OPTIONS:
- yes
- no

A: no
Question:
A report by the AfricanElephant Specialist Group, which is responsible for monitoring the conservation of the elephants,concludes that elephant poaching has increased despite the 1989 international ban on ivory trading
Is this true?
The ban on ivory trade has been effective in protecting the elephant from extinction.
OPTIONS:
- yes
- no

Answer:
no
Problem: As hurricane Katrina moves beyond the Floridian peninsula, death tolls have begun to surface. On Friday, the official count was seven dead, at least five missing. 4 people in Broward, 3 in Miami. The forecast for Hurricane  Katrina predicts that it will continue on its present northwesterly course and approach the panhandle of Florida and the Mississippi delta region in the next few days.

Based on that paragraph can we say the following?
Hurricane Katrina hit Florida.

OPTIONS:
- yes
- no
****
Answer: yes
Problem: The magazine said the number of billionaires worldwide increased by 102 people in 2006 to 793, a record number, largely due to bullish global stock markets. Their total net worth jumped 18 percent to $2.6 trillion.

Based on that paragraph can we say the following?
The number of billionaires increases.

OPTIONS:
- yes
- no
****
Answer:
yes