Question:
John Lennon's widow, Yoko Ono, has topped the US dance chart at the age of 71 with a song supporting gay marriage.
Is this true?
Yoko Ono is John Lennon's widow.

Answer:
yes

Question:
The royal tombs at Vergina were identified as the ancient capital of Aigai in the 1930s. A royal tomb identified as possibly Philip II of Macedonia, Alexander the Great's father, was found in 1977 by Manolis Andronikos.
Is this true?
Alexander the Great's Tomb remains undiscovered.

Answer:
no

Question:
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.
Is this true?
Titan is the fifteenth of Saturn's known satellites.

Answer:
no