Problem: S1: Kalithozhan is a Indian Malayalam film staged by M. Krishnan Nair and produced by AV Subbarao .
S2: Kalithozhan is an Indian Malayalam film from 1966 , produced by M. Krishnan Nair and directed by AV Subbarao .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The mesoscopic weighting function for the wavelength formula 1 can be written as a weighted sum ;
S2: The mesoscopic weighting function at wavelength formula _ 1 can be written as the weighted sum ,

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Jennica Garcia is the sole daughter of Jean Garcia and Jigo Garcia .
S2: Jean Garcia is the only daughter of Jennica Garcia and Jigo Garcia .

Do S1 & S2 convey the same information?

A:
no