Problem: S1: Pogonodon was recognised by Edward Drinker Cope in 1880 , two species are described : '' P. davisi '' and '' P. platycopis '' .
S2: '' Pogonodon '' was recognized in 1880 , by Edward Drinker Cope . Two species are described , '' P. davisi '' and '' P. platycopis '' .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The Vidacut River or Hidecut River is a tributary of the Eliseni River , in Romania
S2: The river Vidacut or Hidecut is a tributary of the Eliseni River , in Romania

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Point Marsden was discovered by William Marsden on 21 March 1802 and named after Matthew Flinders , Second Secretary to the Admiralty .
S2: Point Marsden was discovered on March 21 , 1802 by Matthew Flinders , and named after William Marsden , Secretary of the Admiralty .

Do S1 & S2 convey the same information?

A:
no