Problem: S1: The river LimbA A elu is a tributary of the Cenue eroaia river in Romania .
S2: The Limbaselu River is a tributary of the Cenuseroaia River in Romania .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The Cooke and Wheatstone Telegraph was an early electric telegraph system dating from the 1830s , invented by English inventor William Fothergill Cooke and English scientist Charles Wheatstone .
S2: The Cooke and Wheatstone telegraph was an early electrical telegraph system dating from the 1830s invented by English inventor William Fothergill Cooke and English scientist Charles Wheatstone .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In 1975 he moved to Odibo and returned to Windhoek in 1977 .
S2: In 1975 he returned to Odibo and went to Windhoek in 1977 .

Do S1 & S2 convey the same information?

A:
no