Problem: S1: The river Carlibaba is a tributary of the River Tatarca in Romania .
S2: The Tatarca River is a tributary of the Carlibaba River in Romania .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The total production 483,593 units , were narrowly beaten by its predecessor , the 9000 , of which 503,000 was built .
S2: The total production of 483,593 units , was shortly beaten by its predecessor , the 9000 , of which 503,000 were built .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: He moved to Morocco 1239 / 40 ( after the fall of Valencia in 1238 ) and continued to work for the sultan there .
S2: He moved to Valencia in 1239/40 ( after the fall of Morocco in 1238 ) and continued to work for the sultan there .

Do S1 & S2 convey the same information?

A:
no