Problem: S1: The effect has mainly been observed on nuclear atoms which have alkaline properties particularly suitable for working with traps .
S2: The effect has been observed mainly in alkaline atoms that have nuclear properties which are particularly suitable for working with traps .

Do S1 & S2 convey the same information?

A: no


Problem: S1: Top singer G. M. Durrani was expecting for duets with Noor Jehan to be the other singers .
S2: Top - singer G. M. Durrani expected to be the other singers for duets with Noor Jehan .

Do S1 & S2 convey the same information?

A: yes


Problem: S1: This can be caused by the loss of three additional genes , each of which has different effects , resulting in three types of syndrome .
S2: This may be caused by the loss of three different genes , each of which has different additional effects , resulting in three types of syndrome .

Do S1 & S2 convey the same information?

A:
no