Problem: Context: Today Wikipedia, the free encyclopedia that anyone with access to the Internet can edit, was the victim of an onslaught of practical jokes, as April Fool's Day kicked in various timezones around the world, at least those parts which follow the Gregorian calendar. It is believed that Wikipedia contributors were kept busy tidying up and removing prank articles and changes made by other Wikipedia contributors, and were expecting to be cleaning up the aftermath for days afterwards.
Readers of online encyclopedias can edit the contents.
A: yes

Problem: Context: NASA's Saturn exploration spacecraft, Cassini , has discovered an atmosphere about the moon Enceladus . This is the first such discovery by Cassini, other than Titan , of the presence of an atmosphere around a Saturn moon.
Titan is the fifteenth of Saturn's known satellites.
A: no

Problem: Context: The Egyptian Health Ministry reported on Sunday that a six-year-old Egyptian boy contracted bird flu, the sixth such incident in a month. The child was hospitalised on March 28, reported to be in critical condition after treatment, and is breathing with an artificial respirator. The state news agency MENA revealed that the boy's name was Ali Mahmoud Ali Somaa, and that he was from Qalyubia, a province located along the Nile Delta, located about forty kilometres north of Egypt's capital of Cairo. The death toll of the cases of the bird flu virus in humans in Egypt is 23, with the first incident reported in March 2006.
Ali Mahmoud Ali Somaa is a resident of Egypt.
A: yes

Problem: Context: After the 1979 Soviet invasion and occupation, 3 million Afghans fled to Pakistan, which was encouraged by hefty Western aid to take them in.
Afghanistan was invaded by the Soviet Union in 1979.
A:
yes