Problem: S1: '' Cortinarius rainierensis '' , collected from the material described in Mount Rainier National Park in 1950 by Alex H. Smith and Daniel Elliot Stuntz , is a synonym .
S2: '' Cortinarius rainierensis '' , described in 1950 by Alex H. Smith and Daniel Elliot Stuntz from material collected Mount Rainier National Park , is a synonym .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Helen Wills defeated Phoebe Holcroft Watson 6 -- 4 , 6 -- 2
S2: Helen Wills defeated Phoebe Holcroft Watson 6 -- 4 -- 2

Do S1 & S2 convey the same information?

A: no

Problem: S1: This layer deals only with electrical connectors and sockets and with the physical specification of signals .
S2: This layer deals with the electrical plugs and sockets and physical specification of signals only .

Do S1 & S2 convey the same information?

A:
yes