[Q]: Energy prices dropped by 8.6 percent , the biggest decline since July 1986 .
Excluding food and energy prices , the PPI fell 0.9 per cent , the biggest drop since August 1993 .
(See options at the end). If the first sentence is true, is the second one also true?

[A]: no

[Q]: " I don 't think my brain is going to go dead this afternoon or next week , " he said .
In a conference call yesterday , he said , " I don 't think that my brain is going to go dead this afternoon or next week . "
(See options at the end). If the first sentence is true, is the second one also true?

[A]: yes

[Q]: With the economy sluggish , producers have had a tough time trying to raise prices .
Economists said the report on wholesale prices showed producers were having a tough time trying to raise prices .
(See options at the end). If the first sentence is true, is the second one also true?

[A]:
no