Problem: S1: The Indus cities are noted for their elaborate planning , baked brick houses , urban drainage systems , water supply systems , and clusters of large non-residential buildings .
S2: The Indus cities are known for their urban planning , baked brick houses , elaborate drainage systems , water supply systems and clusters of large non-residential buildings .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The first stamps used in Tunisia were those of the colonial power France of 1888 . Stamps specifically issued for Tunisia were issued from 1 July 1888 .
S2: The first stamps used in Tunisia were those of the colonial power , France , from 1888 . Stamps specifically for Tunisia were issued from 1 July 1888 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: This was an open tunic and trousers , white shirt and black tie .
S2: This was an open-necked tunic and trousers , white shirt and black tie .

Do S1 & S2 convey the same information?

A:
yes