Problem: S1: Mathematically , ligand efficiency ( LE ) can be defined as the ratio of gibbs free energy ( G ) to the number of non-hydrogen atoms of the compound :
S2: Mathematically , ligand efficiency ( LE ) can be defined as the ratio of non-hydrogen energy from gibbs ( I G ) to the number of free atoms in the connection .

Do S1 & S2 convey the same information?

A: no

Problem: S1: He also played alongside Snookum Russell , Wallace Davenport , Juni Gardner , Nick Gagliardi , Milton Ziedrich and occasionally Al Hirt .
S2: He also played alongside June Gardner , Nick Gagliardi , Wallace Davenport , Snookum Russell , Milton Ziedrich , and occasionally Al Hirt .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: There were also several animatronic characters created ... a doll playing goose ( Galaga ) and an animatronic head for the giant Cernos .
S2: Several animatronic characters were also created ... a giant goose ( Galaga ) and an animatronic head for the puppeteered Cernos .

Do S1 & S2 convey the same information?

A:
no