Problem: S1: 2011 Statue of Ma.Po.Si unveiled in Tyagaraya Nagar ( T. Nagar , Chennai )
S2: Statue of Ma.Po.Si in 2011 in Tyagaraya Nagar ( T. Nagar , Chennai )

Do S1 & S2 convey the same information?

A: yes

Problem: S1: On Saturdays there is a small weekly street market around which the covered daily market is situated .
S2: On Saturdays there is a daily street market around which the covered small weekly market is located .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Pilugul River is a tributary of the river Vacaria in Romania .
S2: The Pilugul River is a tributary of the Vacaria River in Romania .

Do S1 & S2 convey the same information?

A:
yes