Problem: S1: Production was repeated in Berlin on 8 June 2011 and from 8 July 2012 in Amsterdam .
S2: The production was repeated from 8 June , 2011 in Berlin and from 8 July , 2012 in Amsterdam .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: On 21 August , Olaf came from a warm south of Acapulco over extremely disturbed waters .
S2: Olaf came from a disturbed south of Acapulco on 21 August over extremely warm waters .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The equality is when formula 8 holds a ball in formula 2 .
S2: The equality occurs when Formula 8 holds a ball in Formula 2 .

Do S1 & S2 convey the same information?

A:
yes