Government forces killed the head of the Armed Islamic Group, or GIA, which has claimed responsibility for killing 61 foreigners in the last year.
Can we say the following?
The abbreviation GIA stands for Armed Islamic Group.

yes

China has been, and continues to be, a major supplier of light weapons to the government of Sudan and many of the neighbouring states, said Ernst Jan Hogendoorn, one of four U.N. experts on an panel which recommended 17 players in the Darfur conflict be sanctioned for obstructing peace. The panel's report found Sudan's neighbours Chad, Libya and Eritrea had supplied weapons to Darfur and that most of the small arms and ammunition in the region were Chinese. "Chinese arms and ammunition are relatively cheap compared to other suppliers -- some also argue that China asks fewer questions," said Hogendoorn.
Can we say the following?
China, Chad, Libya and Eritrea sell arms to Sudan.

yes

Two men have been charged with starting the Zaca Fire, the second-largest wildfire in the history of California. The fire is continuing to burn through the Los Padres National Forest, and has consumed a total of 240,000 acres, having started on July 4. However, the fire is now under control, and is expected to be contained by September 4. Jose Jesus Cabrera of Santa Ynez, 38, Santiago Iniguez Cervantes of Santa Maria, 46, and the company of Rancho La Laguna, whom they worked for, have all been charged with six counts of felony in relation to starting the fire.
Can we say the following?
Cabrera and Cervantes are accused of having caused the Zaca Fire.

yes

Tropical Storm Arthur is projected to weaken tonight, but it will likely regain strength after entering the Bay of Campeche on Sunday.The 2008 Atlantic hurricane season got off to an early start today when a tropical storm formed off the coast of Belize, one day before the season officially begins. Tropical Storm Arthur formed Saturday afternoon and quickly made landfall at the Yucatan Peninsula, near the border between Belize and Mexico. Both countries issued a tropical storm warning for the peninsula's eastern coastline. In the Mexican state of Quintana Roo, ports were closed to small boats, water sports were banned, and those living in coastal areas were encouraged to take precautions.
Can we say the following?
Tropical Storm Arthur is approaching the US coast.
no