Problem: S1: Dana Mountain , Elevation , was climbed by the group the next day before Martinez had to return to Muir .
S2: Mount Dana , elevation , was climbed the next day by the group before Muir had to return home to Martinez .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Carson City was first platted in 1866 on land owned by R. M. Abbott , Delia Miner , and Hiram T. Sherman and recorded in 1871 .
S2: Carson City was first recorded in 1866 in the land owned by R. M. Abbott , Delia Miner and Hiram T. Sherman and in 1871 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Since then , there have been few significant changes , with frequent changes in the design of the Railcard most recognizable .
S2: Since then , there have been few significant changes , with remarkable changes in the design of the Railcard the most .

Do S1 & S2 convey the same information?

A:
no