Problem: S1: The finished product has been marketed in Europe and Australia as '' UFO : Enemy Unknown '' and in North America as '' X-COM : UFO Defense '' .
S2: The finished product was marketed as '' UFO : Enemy Unknown '' in Europe and Australia and as '' X-COM : UFO Defense '' in North America .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: When he was succeeded by Karlheinz Kaske in 1981 , Plettner became the first chairman of the supervisory board not to be a member of the Siemens family .
S2: When he was replaced by Plettner in 1981 , Karlheinz Kaske became the first chairman of the supervisory board not to be a member of the Siemens family .

Do S1 & S2 convey the same information?

A: no

Problem: S1: At Lancelot and Elaine 's wedding , Morgaine speaks with Merlin .
S2: Morgaine speaks with Merlin at Lancelot and Elaine 's wedding .

Do S1 & S2 convey the same information?

A:
yes