[Q]: Only 29 families of frogs are known and most were identified and described in the mid-1800s and the last in 1926 .
Only 29 families of frogs are known , most of which were named by the mid-1800s .
(See options at the end). If the first sentence is true, is the second one also true?

[A]: no

[Q]: By 2007 , antivirus solutions will carry a worldwide price tag of $ 4.4 billion--double that of five years earlier .
By 2007 , antivirus solutions will carry a worldwide price tag double that of 2002 : $ 4.4 billion .
(See options at the end). If the first sentence is true, is the second one also true?

[A]: yes

[Q]: Annika Sorenstam gets her first opportunity to test that objective this week at the McDonald 's LPGA Championship .
The appetizer devoured , Annika Sorenstam moves on to the entree this week at the McDonald 's LPGA Championship .
(See options at the end). If the first sentence is true, is the second one also true?

[A]:
no