Problem: S1: Finally , we say that a distribution is regular if formula _ 11 is concave .
S2: Finally , we say that a distribution is concave if the Formula 11 is regular .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In the 2006-07 season , Goldwire played with Panellinios from the Greek Basketball League , and in 2009 he joined the Spanish Club CB Girona .
S2: Goldwire played with Panellinios of the Spanish basketball league in the 2006-07 season . In 2009 , he joined the Greek club CB Girona .

Do S1 & S2 convey the same information?

A: no

Problem: S1: At that time , Cao Mao was only a puppet emperor , as the actual power was in the hands of the regent Sima Zhao ( cousin of Sima Wang ) .
S2: At the time , Cao Mao was merely a puppet emperor , as the actual power was in the hands of Regent Sima Wang ( Sims Zhaos Cousin ) .

Do S1 & S2 convey the same information?

A:
no