About one million years ago, these people began to slowly leave Africa.
Question: Humans existed 10,000 years ago.
yes

Thousands of Shiite Muslims rallied Friday, in the southern city of Basra, to show support for Iraq's new constitution and the Shiite-dominated government.
Question: Thousands of Shias have marched in the southern Iraqi city of Basra to back the new constitution.
yes

Polio is no longer a serious health problem for people living in the developed nations, such as the United States, Germany, or France.
Question: Polio is under control in the world.

no