Problem: Context: As a result, the elephant has been brought back from the brink of extinction, thanks to the ban on international trade in ivory and other elephant products.
The ban on ivory trade has been effective in protecting the elephant from extinction.
A: yes

Problem: Context: A series of projects with the objective of finding solutions to some of the consequences of the Chernobyl accident have been carried out within the framework of the UNESCO Chernobyl Programme. The IHP organized a workshop to review and compare present knowledge of radionuclide transfer in the hydrological cycle.
The Chernobyl disaster had repercussions outside the ex-USSR.
A: no

Problem: Context: The incident in Mogadishu, the Somali capital, came as U.S. forces began the final phase of their promised March 31 pullout.
The capital of Somalia is Mogadishu.
A: yes

Problem: Context: Thirty years ago [1969], Neil Armstrong took humanity's first small step on the moon, declaring it "one giant leap for mankind" only to have the space program retreat to tinkering in low Earth orbit.
The moon was first touched by mankind in 1969.
A:
yes