Problem: S1: At present , it is the third most common language in international trade and the second most common in politics , diplomacy and culture after English and French .
S2: At present , it is the second most widely used language in international trade and the third most important in politics , diplomacy and culture in English and French .

Do S1 & S2 convey the same information?

A: no

Problem: S1: This layer only deals with electrical connectors and sockets and the physical specification of the signals .
S2: This layer deals only with the physical connectors and sockets and the electrical specification of signals .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Members of the patent pool G.723.1 are Nokia , the Universite de Sherbrooke , the Nippon Telegraph and Telephone Corporation , AudioCodes and France Telecom .
S2: Members of the patent pool G.723.1 are AudioCodes , France Telecom , Universite de Sherbrooke , Nippon Telegraph and Telephone Corporation and Nokia .

Do S1 & S2 convey the same information?

A:
yes