Problem: S1: The founders of the Charter 77 Foundation , Frantisek Janouch and Ada Kolman , or the German activist Rainer Hoss participated in the debates with the Israeli journalist Tal Bashan .
S2: Founders of the Charta 77 Foundation Frantisek Janouch and Tal Bashan or the German activist Rainer Hoss with the Israeli journalist Ada Kolman have participated in the debates .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: With the help of Jack Shaftoe 's brother Bob , whose infantry unit is stationed there , Daniel flees .
S2: Daniel escapes with the help of Jack Shaftoe 's brother Bob , whose infantry unit is stationed there .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: yes

Problem: S1: The number of aircraft operated by the 939th was increased simultaneously by the transfer of KC-135 from the 507th and 137th air refueling wings .
S2: The number of aircraft operated by the 507th and 137th was simultaneously increased by the transfer of KC-135s from the 939th Air Refueling Wing .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
no