Problem: S1: The Furu River is a tributary of the Jiul de Vest River in Romania .
S2: The Furu River is a tributary of the River Jiul de Vest in Romania .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: He also met William Withey Gull , who led the Cholera Committee with William Baly .
S2: He also met William Withey Gull , who with William Baly ran the Cholera Committee .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The company then acquired the St. Louis and Cairo Railroad , which was narrow gauge .
S2: The company was then the St. Louis and Cairo Railroad , the narrow gauge acquired .

Do S1 & S2 convey the same information?

A:
no