Problem: S1: This abnormal electron density affects the created magnetic field and causes the observed chemical shift to change .
S2: This abnormal electron density affects the observed magnetic field and causes the applied chemical shift to change .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The fully completed action plan , published on 3 March 2006 , is being placed directly in the hands of other ministers by ministerial members of the task force .
S2: The fully completed action plan , published on 3 March 2006 , is placed directly in the hands of ministers by other members of the task force .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Then he returned to the Auckland Rugby League competition and played for the Auckland Lions at the Bartercard Cup Level before being signed by the New Zealand Warriors .
S2: He also returned to the Auckland Rugby League competition and then played for the Auckland Lions at Bartercard Cup level before being signed by the New Zealand Warriors .

Do S1 & S2 convey the same information?

A:
no