**Q**
Does the following sentence make sense?
"If you travel to La Rioja from Africa, you would head north."
Options:
- yes
- no
**A**
yes
La Rioja is in Spain which is north of Africa.


Is the following sentence factually correct?
"Holmium plays biological role in humans, but its salts are not able to stimulate metabolism."
Options:
- yes
- no
no
Holmium salts are able to stimulate metabolism and has a low level of acute toxicity.


**Q**
Does the following sentence make sense?
"The English names variously applied to different species of Populus include poplar, aspen, and cottonwood."
Options:
- yes
- no
**A**
yes
Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere.


Yes / no, is the following a verifiable fact?
"Constantine the Great converted to Islam."
no
Although his empire was centered in an area (modern-day Turkey) that is largely Islamic today, Constantine converted to Christianity.


**Q**
Is the following statement true?
"John Lennon recorded his last album in 2015."
**A**
no
John Lennon was a high profile assassination victim in the 1970s.


**Q**
Is the following sentence factually correct?
"A Bull sharks swim in both salt water and fresh water."
Options:
- yes
- no
**A**
yes
Bull sharks have been spotted un oceans as well as rivers and lakes.