Problem: S1: During the Vietnam War , the 104th field battery also served with the 12th field regiment , which was also assigned to the 161th field battery RNZA .
S2: During the Vietnam War , the 12th field battery also served the 104th field regiment -- which was also connected to the 161th field battery RNZA .

Do S1 & S2 convey the same information?

A: no

Problem: S1: It is a type of mainly Byzantine dance , from where has been adapted , with the main base and elements of Turkish folkloric music .
S2: It is a kind of mainly Turkish folkloric dance , from where , with the main base and the elements of Byzantine music has been adapted .

Do S1 & S2 convey the same information?

A: no

Problem: S1: There is a standard technology ( see for example ) for calculating the change of variables to formal coordinates , at a point as a normal Taylor series expansion .
S2: There is a standard technique ( see for example ) for computing the change of variables to formal coordinates , at a point as a normal Taylor series expansion .

Do S1 & S2 convey the same information?

A:
yes