Problem: S1: MacMahon formula is the general formula for multiplicative values of formula 30 :
S2: The formula of MacMahon is the general formula for multiplicative values of Formula 30 :

Do S1 & S2 convey the same information?

A: yes

Problem: S1: When Khadr was injured in a battle in Kabul in 1995 , Mohamad Elzahabi visited him at Peshawar Hospital .
S2: When Mohamad Elzahabi was injured in a battle in Kabul in 1995 , Khadr visited him at the hospital in Peshawar .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The reigning monarch is known if the date is not given more precisely .
S2: The ruling monarch is given if the date is not more precisely known .

Do S1 & S2 convey the same information?

A:
no