Problem: S1: Freescale Semiconductor later was sold to Sigmatel .
S2: Sigmatel was later sold to Freescale Semiconductor .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In 1979 , Warner Communications founded a company called Warner-Amex Satellite Entertainment , which formed MTV , Nickelodeon and The Movie Channel with American Express .
S2: American Express formed a venture with Warner Communications in 1979 called Warner-Amex Satellite Entertainment , which created MTV , Nickelodeon , and The Movie Channel .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The flood pulse concept is a theory that the annual flood pulse is the most important aspect and the most biologically productive feature of a river 's ecosystem .
S2: The concept of flood impulse is a theory that the annual flood pulse is the most important aspect and biologically most productive feature of the ecosystem of a river .

Do S1 & S2 convey the same information?

A:
yes