Problem: S1: Colonel Kenji Doihara , Lieutenant Colonel Kanji Ishiwara , Colonel Takayoshi Tanaka and Major Seishiro Itagaki had completed plans for the incident by 31 May 1931 .
S2: Until 31 May 1931 , Colonel Seishiro Itagaki , Lieutenant Colonel Kanji Ishiwara , Colonel Kenji Doihara , and Major Takayoshi Tanaka had completed plans for the incident .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Marat Safin won in the final 6 -- 4 , 5 -- 7 , 6 -- 4 against Nikolay Davydenko .
S2: Nikolay Davydenko won against Marat Safin in the finals 6 -- 4 , 5 -- 7 , 6 -- 4 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: He tried suicide by swallowing one of the lenses in his glasses , breaking his wrists with the shards and slitting them .
S2: He attempted suicide by swallowing one of the lenses in his eyeglasses , breaking his wrists with the shards and slitting them .

Do S1 & S2 convey the same information?

A:
yes