Problem: S1: The first known European sighting of Whidbey Island was during the 1790 Spanish expedition of Manuel Quimper and Gonzalo Lopez de Haro on the '' Princesa Real '' .
S2: The first well-known Spanish sighting of Whidbey Island was during the European expedition of Manuel Quimper and Gonzalo Lopez de Haro at the '' Princesa Real '' in 1790 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The northernmost part of the Black Creek watershed , south of the central hill line , including the mouth of Nescopeck Creek , is also in this area .
S2: The central part of the watershed of Nescopeck Creek , south of the northernmost hill , including the mouth of Black Creek , is also in this series .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Commission was led first by George Bowers , then Marshall McDonald , George Brown Goode , and finally Spencer F. Baird .
S2: The Commission was first chaired by George Bowers , then Marshall McDonald , George Brown Goode , and finally Spencer F. Baird .

Do S1 & S2 convey the same information?

A:
yes