Problem: S1: The installation began on 29 October 2011 and the umbrella doors started operation on 31 January 2012 .
S2: Installation started on 29 October 2011 and the screen doors began operation on 31 January 2012 .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: Standard arguments in homological algebra imply that these cohomology groups are independent of the choice of injective resolution of '' E '' .
S2: Standard arguments in the injective algebra imply that these groups of cohomologists are independent of the choice of homological resolution of '' E '' .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A: no

Problem: S1: '' The Timber '' was released in North America on February 27 , 2015 , Well Go USA Entertainment released it in Germany on October 6 , 2015 .
S2: '' The Timber '' was released in North America on February 27 , 2015 , Well Go USA Entertainment was released on October 6 , 2015 in Germany .

Do S1 & S2 convey the same information?

OPTIONS:
- no
- yes

A:
yes